Plate 31.Photos, retouched, of skulls of 9 subspecies ofM. frenata, x 1.a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.c.Mustela frenata primulina, ♀ ad., 3638, U. K. M. N. H., 7 mi. SW Lawrence, Kans.d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.e.Mustela frenata spadix, ♀ ad., 188410, U. S. Nat. Mus., Elk River, Minn.f.Mustela frenata longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.g.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle River, B. C.h.Mustela frenata alleni, ♀?, ad., 7441, A. M. N. H., Black Hills, S. D.i.Mustela frenata arizonensis, ♀ ad., 1886, A. M. N. H., type, S. F. Forest, Ariz.
Plate 31.Photos, retouched, of skulls of 9 subspecies ofM. frenata, x 1.a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.c.Mustela frenata primulina, ♀ ad., 3638, U. K. M. N. H., 7 mi. SW Lawrence, Kans.d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.e.Mustela frenata spadix, ♀ ad., 188410, U. S. Nat. Mus., Elk River, Minn.f.Mustela frenata longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.g.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle River, B. C.h.Mustela frenata alleni, ♀?, ad., 7441, A. M. N. H., Black Hills, S. D.i.Mustela frenata arizonensis, ♀ ad., 1886, A. M. N. H., type, S. F. Forest, Ariz.
Plate 31.Photos, retouched, of skulls of 9 subspecies ofM. frenata, x 1.
a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.
b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.
c.Mustela frenata primulina, ♀ ad., 3638, U. K. M. N. H., 7 mi. SW Lawrence, Kans.
d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.
e.Mustela frenata spadix, ♀ ad., 188410, U. S. Nat. Mus., Elk River, Minn.
f.Mustela frenata longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.
g.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle River, B. C.
h.Mustela frenata alleni, ♀?, ad., 7441, A. M. N. H., Black Hills, S. D.
i.Mustela frenata arizonensis, ♀ ad., 1886, A. M. N. H., type, S. F. Forest, Ariz.
Plate 32.Photos, retouched, of skulls of 9 subspecies ofM. frenata, × 1.a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.c.Mustela frenata primulina, ♀ ad., 3638, U. K. M. N. H., 7 mi. SW Lawrence, Kans.d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.e.Mustela frenata spadix, ♀ ad., 188410, U. S. Nat. Mus., Elk River, Minn.f.Mustela f. longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.g.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle Riv., B. C.h.Mustela frenata alleni, ♀?, ad., 7441, A. M. N. H., Black Hills, S. D.i.Mustela frenata arizonensis, ♀ ad., 1886, A. M. N. H., type, S. F. Forest, Ariz.
Plate 32.Photos, retouched, of skulls of 9 subspecies ofM. frenata, × 1.a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.c.Mustela frenata primulina, ♀ ad., 3638, U. K. M. N. H., 7 mi. SW Lawrence, Kans.d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.e.Mustela frenata spadix, ♀ ad., 188410, U. S. Nat. Mus., Elk River, Minn.f.Mustela f. longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.g.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle Riv., B. C.h.Mustela frenata alleni, ♀?, ad., 7441, A. M. N. H., Black Hills, S. D.i.Mustela frenata arizonensis, ♀ ad., 1886, A. M. N. H., type, S. F. Forest, Ariz.
Plate 32.Photos, retouched, of skulls of 9 subspecies ofM. frenata, × 1.
a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.
b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.
c.Mustela frenata primulina, ♀ ad., 3638, U. K. M. N. H., 7 mi. SW Lawrence, Kans.
d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.
e.Mustela frenata spadix, ♀ ad., 188410, U. S. Nat. Mus., Elk River, Minn.
f.Mustela f. longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.
g.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle Riv., B. C.
h.Mustela frenata alleni, ♀?, ad., 7441, A. M. N. H., Black Hills, S. D.
i.Mustela frenata arizonensis, ♀ ad., 1886, A. M. N. H., type, S. F. Forest, Ariz.
Plate 33.Photographs, retouched, of skulls in lateral view of ten subspecies ofMustela frenata. Natural size.a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.c.Mustela frenata primulina, ♀ ad., 3638, Univ. Kansas Mus. Nat. Hist., 7 mi. SW Lawrence, Kansas.d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.e.Mustela frenata spadix, ♀ ad., 188410 (2196), U. S. Nat. Mus., Elk River, Minn.f.Mustela frenata longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.g.Mustela frenata oribasus, ♀ ad., 9058, Mus. Comp. Zool., type, source of Kettle River, British Columbia.h.Mustela frenata alleni, ♀?, ad., 7441, Amer. Mus. N. H., Black Hills, S. D.i.Mustela frenata arizonensis, ♀ ad., 1886, Amer. Mus. Nat. Hist., type, San Francisco, Forest, Arizona.j.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nev.
Plate 33.Photographs, retouched, of skulls in lateral view of ten subspecies ofMustela frenata. Natural size.a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.c.Mustela frenata primulina, ♀ ad., 3638, Univ. Kansas Mus. Nat. Hist., 7 mi. SW Lawrence, Kansas.d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.e.Mustela frenata spadix, ♀ ad., 188410 (2196), U. S. Nat. Mus., Elk River, Minn.f.Mustela frenata longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.g.Mustela frenata oribasus, ♀ ad., 9058, Mus. Comp. Zool., type, source of Kettle River, British Columbia.h.Mustela frenata alleni, ♀?, ad., 7441, Amer. Mus. N. H., Black Hills, S. D.i.Mustela frenata arizonensis, ♀ ad., 1886, Amer. Mus. Nat. Hist., type, San Francisco, Forest, Arizona.j.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nev.
Plate 33.Photographs, retouched, of skulls in lateral view of ten subspecies ofMustela frenata. Natural size.
a.Mustela frenata noveboracensis, ♀ ad., 64687, U. S. N. M., Wilmington, Mass.
b.Mustela frenata occisor, ♀ ad., 9101, Mus. Comp. Zool., Bucksport, Maine.
c.Mustela frenata primulina, ♀ ad., 3638, Univ. Kansas Mus. Nat. Hist., 7 mi. SW Lawrence, Kansas.
d.Mustela frenata olivacea, ♀ ad., 41024, Mus. Vert. Zoöl., Sinkola Plantation, Ga.
e.Mustela frenata spadix, ♀ ad., 188410 (2196), U. S. Nat. Mus., Elk River, Minn.
f.Mustela frenata longicauda, ♀ ad., 75483, U. S. Nat. Mus., Wingard, Sask.
g.Mustela frenata oribasus, ♀ ad., 9058, Mus. Comp. Zool., type, source of Kettle River, British Columbia.
h.Mustela frenata alleni, ♀?, ad., 7441, Amer. Mus. N. H., Black Hills, S. D.
i.Mustela frenata arizonensis, ♀ ad., 1886, Amer. Mus. Nat. Hist., type, San Francisco, Forest, Arizona.
j.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nev.
Plate 34.Photographs, retouched, of skulls in dorsal view, of eight subspecies ofMustela frenata. Natural size.a.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nevada.b.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.c.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.d.Mustela frenata oregonensis, ♀ ad., 244520, U. S. Nat. Mus., Medford, Oregon.e.Mustela frenata munda, ♀ ad., 91764, U. S. Nat. Mus., Point Reyes, California.f.Mustela frenata munda, ♀ ad., 19723, Mus. Vert. Zoöl., Point Arena, California.g.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, California.h.Mustela frenata nigriauris, ♀ ad., 3761, M. V. Z., San Francisco, California.i.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Arizona.
Plate 34.Photographs, retouched, of skulls in dorsal view, of eight subspecies ofMustela frenata. Natural size.a.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nevada.b.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.c.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.d.Mustela frenata oregonensis, ♀ ad., 244520, U. S. Nat. Mus., Medford, Oregon.e.Mustela frenata munda, ♀ ad., 91764, U. S. Nat. Mus., Point Reyes, California.f.Mustela frenata munda, ♀ ad., 19723, Mus. Vert. Zoöl., Point Arena, California.g.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, California.h.Mustela frenata nigriauris, ♀ ad., 3761, M. V. Z., San Francisco, California.i.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Arizona.
Plate 34.Photographs, retouched, of skulls in dorsal view, of eight subspecies ofMustela frenata. Natural size.
a.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nevada.
b.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.
c.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.
d.Mustela frenata oregonensis, ♀ ad., 244520, U. S. Nat. Mus., Medford, Oregon.
e.Mustela frenata munda, ♀ ad., 91764, U. S. Nat. Mus., Point Reyes, California.
f.Mustela frenata munda, ♀ ad., 19723, Mus. Vert. Zoöl., Point Arena, California.
g.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, California.
h.Mustela frenata nigriauris, ♀ ad., 3761, M. V. Z., San Francisco, California.
i.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Arizona.
Plate 35.Photographs, retouched, of skulls in ventral view, of eight subspecies ofMustela frenata. Natural size.a.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nevada.b.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.c.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.d.Mustela frenata oregonensis, ♀ ad., 244520, U. S. Nat. Mus., Medford, Oregon.e.Mustela frenata munda, ♀ ad., 91764, U. S. N. M., Point Reyes, California.f.Mustela frenata munda, ♀ ad., 19723, M. V. Z., Point Arena, California.g.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, Calif.h.Mustela frenata nigriauris, ♀ ad., 3761, M. V. Z., San Francisco, California.i.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Arizona.
Plate 35.Photographs, retouched, of skulls in ventral view, of eight subspecies ofMustela frenata. Natural size.a.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nevada.b.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.c.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.d.Mustela frenata oregonensis, ♀ ad., 244520, U. S. Nat. Mus., Medford, Oregon.e.Mustela frenata munda, ♀ ad., 91764, U. S. N. M., Point Reyes, California.f.Mustela frenata munda, ♀ ad., 19723, M. V. Z., Point Arena, California.g.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, Calif.h.Mustela frenata nigriauris, ♀ ad., 3761, M. V. Z., San Francisco, California.i.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Arizona.
Plate 35.Photographs, retouched, of skulls in ventral view, of eight subspecies ofMustela frenata. Natural size.
a.Mustela frenata nevadensis, ♀ ad., 41503, M. V. Z., type, 3 mi. E Baker, Nevada.
b.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.
c.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.
d.Mustela frenata oregonensis, ♀ ad., 244520, U. S. Nat. Mus., Medford, Oregon.
e.Mustela frenata munda, ♀ ad., 91764, U. S. N. M., Point Reyes, California.
f.Mustela frenata munda, ♀ ad., 19723, M. V. Z., Point Arena, California.
g.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, Calif.
h.Mustela frenata nigriauris, ♀ ad., 3761, M. V. Z., San Francisco, California.
i.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Arizona.
Plate 36.Photographs, retouched, of skulls in lateral view, of eight subspecies ofMustela frenata. Natural size.a.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.b.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.c.Mustela frenata oregonensis, ♀ ad., 244520, U. S. N. M., Medford, Oregon.d.Mustela frenata munda, ♀ ad., 91764, U. S. N. M., Point Reyes, California.e.Mustela frenata munda, ♀ ad., 19723, Mus. Vert. Zoöl., Point Arena, Calif.f.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, Calif.g.Mustela frenata nigriauris, ♀ ad., 3761, Mus. Vert. Zoöl., San Francisco, Calif.h.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Ariz.i.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.j.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.k.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. N. H., Artenkiki, Jalisco.l.Mustela frenata perotae, ♀ ad., 54278, U. S. Nat. Mus., type, 12500 ft., Cofre de Perote, Veracruz.
Plate 36.Photographs, retouched, of skulls in lateral view, of eight subspecies ofMustela frenata. Natural size.a.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.b.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.c.Mustela frenata oregonensis, ♀ ad., 244520, U. S. N. M., Medford, Oregon.d.Mustela frenata munda, ♀ ad., 91764, U. S. N. M., Point Reyes, California.e.Mustela frenata munda, ♀ ad., 19723, Mus. Vert. Zoöl., Point Arena, Calif.f.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, Calif.g.Mustela frenata nigriauris, ♀ ad., 3761, Mus. Vert. Zoöl., San Francisco, Calif.h.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Ariz.i.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.j.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.k.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. N. H., Artenkiki, Jalisco.l.Mustela frenata perotae, ♀ ad., 54278, U. S. Nat. Mus., type, 12500 ft., Cofre de Perote, Veracruz.
Plate 36.Photographs, retouched, of skulls in lateral view, of eight subspecies ofMustela frenata. Natural size.
a.Mustela frenata washingtoni, ♀ sad., 81953, U. S. N. M., Trout Lake, Wash.
b.Mustela frenata altifrontalis, ♀ ad., 392, coll. of Alex Walker, Blaine, Oregon.
c.Mustela frenata oregonensis, ♀ ad., 244520, U. S. N. M., Medford, Oregon.
d.Mustela frenata munda, ♀ ad., 91764, U. S. N. M., Point Reyes, California.
e.Mustela frenata munda, ♀ ad., 19723, Mus. Vert. Zoöl., Point Arena, Calif.
f.Mustela frenata xanthogenys, ♀ ad., 2626, coll. of W. E. Snyder, Selma, Calif.
g.Mustela frenata nigriauris, ♀ ad., 3761, Mus. Vert. Zoöl., San Francisco, Calif.
h.Mustela frenata neomexicana, ♀ ad., 36482, U. S. N. M., Tombstone, Ariz.
i.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.
j.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.
k.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. N. H., Artenkiki, Jalisco.
l.Mustela frenata perotae, ♀ ad., 54278, U. S. Nat. Mus., type, 12500 ft., Cofre de Perote, Veracruz.
Plate 37.Photos, retouched, of skulls of 8 subspecies ofMustela frenata, × 1.a.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.b.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.c.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. Nat. Hist., Artenkiki, Jalisco.d.Mustela f. perotae, ♀ ad., 54278, U. S. N. M., type, Cofre de Perote, Veracruz.e.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.f.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.g.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.h.Mustela frenata meridana, ♀ ad., 143665, U. S. N. M., Mérida, Venezuela.i.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
Plate 37.Photos, retouched, of skulls of 8 subspecies ofMustela frenata, × 1.a.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.b.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.c.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. Nat. Hist., Artenkiki, Jalisco.d.Mustela f. perotae, ♀ ad., 54278, U. S. N. M., type, Cofre de Perote, Veracruz.e.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.f.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.g.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.h.Mustela frenata meridana, ♀ ad., 143665, U. S. N. M., Mérida, Venezuela.i.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
Plate 37.Photos, retouched, of skulls of 8 subspecies ofMustela frenata, × 1.
a.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.
b.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.
c.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. Nat. Hist., Artenkiki, Jalisco.
d.Mustela f. perotae, ♀ ad., 54278, U. S. N. M., type, Cofre de Perote, Veracruz.
e.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.
f.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.
g.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.
h.Mustela frenata meridana, ♀ ad., 143665, U. S. N. M., Mérida, Venezuela.
i.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
Plate 38.Photos, retouched, skulls in ventral view, 8 subspecies ofM. frenata, × 1.a.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.b.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.c.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. Nat. Hist., Artenkiki, Jalisco.d.Mustela f. perotae, ♀ ad., 54278, U. S. N. M., type, Cofre de Perote, Veracruz.e.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.f.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.g.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.h.Mustela frenata meridana, ♀ ad., 143665, U. S. N. M., Mérida, Venezuela.i.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
Plate 38.Photos, retouched, skulls in ventral view, 8 subspecies ofM. frenata, × 1.a.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.b.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.c.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. Nat. Hist., Artenkiki, Jalisco.d.Mustela f. perotae, ♀ ad., 54278, U. S. N. M., type, Cofre de Perote, Veracruz.e.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.f.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.g.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.h.Mustela frenata meridana, ♀ ad., 143665, U. S. N. M., Mérida, Venezuela.i.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
Plate 38.Photos, retouched, skulls in ventral view, 8 subspecies ofM. frenata, × 1.
a.Mustela frenata frenata, ♀ ad., 58685, U. S. Nat. Mus., Brownsville, Texas.
b.Mustela frenata frenata, ♀ ad., 991, Berlin Zool. Mus., type, México City, D. F.
c.Mustela frenata leucoparia, ♀ ad., 26153, Amer. Mus. Nat. Hist., Artenkiki, Jalisco.
d.Mustela f. perotae, ♀ ad., 54278, U. S. N. M., type, Cofre de Perote, Veracruz.
e.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.
f.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.
g.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.
h.Mustela frenata meridana, ♀ ad., 143665, U. S. N. M., Mérida, Venezuela.
i.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
Plate 39.Figs.a-h. Photos, retouched, of 10 kindsMustela, × 1.a.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.b.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.c.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.d.Mustela frenata meridana, ♀ ad., 143665, U. S. Nat. Mus., Mérida, Venezuela.e.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.f.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.g.Mustela frenata gracilis, ♀?, ad., 12431, Amer. Mus. Nat. Hist., type, Conard Fissure, Arkansas, Pleistocene.h.Mustela a. stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.Figs.i-l.Mustela frenata nevadensis, all males, from Colorado, showing seasonal change in color, × approximately 1/9. Note the sharply marked molt line in the pelage of spring and the absence of any definite molt line in autumn.i.No. 151415 U. S. Nat. Mus., Coventry, December 27, 1907.j.No. 202741 U. S. Nat. Mus., Pierce Place, April 18, 1913.k.No. 201681 U. S. Nat. Mus., Jefferson, June 23, 1913.l.No. 41997 Amer. Mus. Nat. Hist., Navajo River, October 29, 1913.
Plate 39.Figs.a-h. Photos, retouched, of 10 kindsMustela, × 1.a.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.b.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.c.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.d.Mustela frenata meridana, ♀ ad., 143665, U. S. Nat. Mus., Mérida, Venezuela.e.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.f.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.g.Mustela frenata gracilis, ♀?, ad., 12431, Amer. Mus. Nat. Hist., type, Conard Fissure, Arkansas, Pleistocene.h.Mustela a. stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.Figs.i-l.Mustela frenata nevadensis, all males, from Colorado, showing seasonal change in color, × approximately 1/9. Note the sharply marked molt line in the pelage of spring and the absence of any definite molt line in autumn.i.No. 151415 U. S. Nat. Mus., Coventry, December 27, 1907.j.No. 202741 U. S. Nat. Mus., Pierce Place, April 18, 1913.k.No. 201681 U. S. Nat. Mus., Jefferson, June 23, 1913.l.No. 41997 Amer. Mus. Nat. Hist., Navajo River, October 29, 1913.
Plate 39.Figs.a-h. Photos, retouched, of 10 kindsMustela, × 1.
a.Mustela frenata macrophonius, ♀ ad., 132528, U. S. Nat. Mus., Pérez, Veracruz.
b.Mustela frenata tropicalis, ♀ ad., 54993, U. S. Nat. Mus., Jico, Veracruz.
c.Mustela frenata perda, ♀ sad., 65422, U. S. Nat. Mus., Catemaco, Veracruz.
d.Mustela frenata meridana, ♀ ad., 143665, U. S. Nat. Mus., Mérida, Venezuela.
e.Mustela f. macrura, ♀ ad., 564, M. P. H. N., type ofMustela jelskii, Cutervo, Perú.
f.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.
g.Mustela frenata gracilis, ♀?, ad., 12431, Amer. Mus. Nat. Hist., type, Conard Fissure, Arkansas, Pleistocene.
h.Mustela a. stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.
Figs.i-l.Mustela frenata nevadensis, all males, from Colorado, showing seasonal change in color, × approximately 1/9. Note the sharply marked molt line in the pelage of spring and the absence of any definite molt line in autumn.
i.No. 151415 U. S. Nat. Mus., Coventry, December 27, 1907.
j.No. 202741 U. S. Nat. Mus., Pierce Place, April 18, 1913.
k.No. 201681 U. S. Nat. Mus., Jefferson, June 23, 1913.
l.No. 41997 Amer. Mus. Nat. Hist., Navajo River, October 29, 1913.
Plate 40.Photos, retouched, of skulls and lower jaws ofMustela, × 1.a.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.b.Mustela frenata gracilis, ♀?, ad., type, 12431, A. M. N. H., Conard Fiss., Ark.c.Mustela africana stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.d.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.e.Mustela frenata gracilis, ♀?, ad., type, 12431, A. M. N. H., Conard Fiss., Ark.f.Mustela africana stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.g.Mustela africana stolzmanni, ♀ ad., 563, Mus. Polonais d' Hist. Nat., type, Yurimaguas, Perú. The palate is broken longitudinally and the two maxillae are slightly out of normal position.h.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle Riv., B. C.i.Mustela frenata munda, ♀ ad., 91764, U. S. Nat. Mus., Point Reyes, Calif.j.Mustela frenata frenata, ♀ ad., 991, Berlin Z. M., type, México City, D. F.k.Mustela f. macrura, ♀ ad., 564, Mus. Polonais d' Hist. Nat., type ofMustela jelskii.l.Mustela africana stolzmanni, ♀ ad., 563, Mus. Polonais d' Hist. Nat., type, Yurimaguas, Perú. Right half of lower jaw reversed.
Plate 40.Photos, retouched, of skulls and lower jaws ofMustela, × 1.a.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.b.Mustela frenata gracilis, ♀?, ad., type, 12431, A. M. N. H., Conard Fiss., Ark.c.Mustela africana stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.d.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.e.Mustela frenata gracilis, ♀?, ad., type, 12431, A. M. N. H., Conard Fiss., Ark.f.Mustela africana stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.g.Mustela africana stolzmanni, ♀ ad., 563, Mus. Polonais d' Hist. Nat., type, Yurimaguas, Perú. The palate is broken longitudinally and the two maxillae are slightly out of normal position.h.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle Riv., B. C.i.Mustela frenata munda, ♀ ad., 91764, U. S. Nat. Mus., Point Reyes, Calif.j.Mustela frenata frenata, ♀ ad., 991, Berlin Z. M., type, México City, D. F.k.Mustela f. macrura, ♀ ad., 564, Mus. Polonais d' Hist. Nat., type ofMustela jelskii.l.Mustela africana stolzmanni, ♀ ad., 563, Mus. Polonais d' Hist. Nat., type, Yurimaguas, Perú. Right half of lower jaw reversed.
Plate 40.Photos, retouched, of skulls and lower jaws ofMustela, × 1.
a.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.
b.Mustela frenata gracilis, ♀?, ad., type, 12431, A. M. N. H., Conard Fiss., Ark.
c.Mustela africana stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.
d.Mustela frenata agilis, ♀ sad., 21147, Field Mus. Nat. Hist., Macate, Perú.
e.Mustela frenata gracilis, ♀?, ad., type, 12431, A. M. N. H., Conard Fiss., Ark.
f.Mustela africana stolzmanni, ♀ sad., 24.12.12.24, Brit. M. N. H., Myobamba, Perú.
g.Mustela africana stolzmanni, ♀ ad., 563, Mus. Polonais d' Hist. Nat., type, Yurimaguas, Perú. The palate is broken longitudinally and the two maxillae are slightly out of normal position.
h.Mustela frenata oribasus, ♀ ad., 9058, M. C. Z., type, source of Kettle Riv., B. C.
i.Mustela frenata munda, ♀ ad., 91764, U. S. Nat. Mus., Point Reyes, Calif.
j.Mustela frenata frenata, ♀ ad., 991, Berlin Z. M., type, México City, D. F.
k.Mustela f. macrura, ♀ ad., 564, Mus. Polonais d' Hist. Nat., type ofMustela jelskii.
l.Mustela africana stolzmanni, ♀ ad., 563, Mus. Polonais d' Hist. Nat., type, Yurimaguas, Perú. Right half of lower jaw reversed.
Plate 41.Photographs, approximately 1/2, of stuffed study-skins of the four species of American weasels. For each pair the male is at the left and the female at the right. Photo. by W. C. Matthews.Mustela erminea arctica, both in U. S. B. S., from Mts. near Eagle, Alaska, ♂ 131256 and ♀ 131245.Mustela erminea invicta, both in U. S. B. S., from Tungsten Mine, Washington, ♂ 235236 and ♀ 235235.Mustela erminea muricus, both in M. V. Z., from Baker Creek, 8675 ft., Nevada, ♂ 41501 and ♀ 41502.Mustela frenata nigriauris, both in M. V. Z., from California, ♂ 51666 from Concord and ♀ 73109 from Berkeley.Mustela africana africana, ♂ 37475 A. M. N. H., from Pará, Brazil.Mustela rixosa allegheniensis, both in M. Z. U. M., from Michigan, ♂ 83260 Swan Creek Farm and ♀ 88079 from Unadilla.
Plate 41.Photographs, approximately 1/2, of stuffed study-skins of the four species of American weasels. For each pair the male is at the left and the female at the right. Photo. by W. C. Matthews.Mustela erminea arctica, both in U. S. B. S., from Mts. near Eagle, Alaska, ♂ 131256 and ♀ 131245.Mustela erminea invicta, both in U. S. B. S., from Tungsten Mine, Washington, ♂ 235236 and ♀ 235235.Mustela erminea muricus, both in M. V. Z., from Baker Creek, 8675 ft., Nevada, ♂ 41501 and ♀ 41502.Mustela frenata nigriauris, both in M. V. Z., from California, ♂ 51666 from Concord and ♀ 73109 from Berkeley.Mustela africana africana, ♂ 37475 A. M. N. H., from Pará, Brazil.Mustela rixosa allegheniensis, both in M. Z. U. M., from Michigan, ♂ 83260 Swan Creek Farm and ♀ 88079 from Unadilla.
Plate 41.Photographs, approximately 1/2, of stuffed study-skins of the four species of American weasels. For each pair the male is at the left and the female at the right. Photo. by W. C. Matthews.
Mustela erminea arctica, both in U. S. B. S., from Mts. near Eagle, Alaska, ♂ 131256 and ♀ 131245.
Mustela erminea invicta, both in U. S. B. S., from Tungsten Mine, Washington, ♂ 235236 and ♀ 235235.
Mustela erminea muricus, both in M. V. Z., from Baker Creek, 8675 ft., Nevada, ♂ 41501 and ♀ 41502.
Mustela frenata nigriauris, both in M. V. Z., from California, ♂ 51666 from Concord and ♀ 73109 from Berkeley.
Mustela africana africana, ♂ 37475 A. M. N. H., from Pará, Brazil.
Mustela rixosa allegheniensis, both in M. Z. U. M., from Michigan, ♂ 83260 Swan Creek Farm and ♀ 88079 from Unadilla.
Principal references are in boldface type