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Transmitted June 8, 1961.
PLATE 31Trionyx ferox, juveniles.Top—UMMZ 76755 (× 1) dorsal and ventral views; Lake Griffin, Lake County, Florida.Bottom—TU 13960 (×3/4), dorsal and ventral views; Hillsborough River,ca.20 mi. NE Tampa, Hillsborough County, Florida.
PLATE 31
Trionyx ferox, juveniles.Top—UMMZ 76755 (× 1) dorsal and ventral views; Lake Griffin, Lake County, Florida.Bottom—TU 13960 (×3/4), dorsal and ventral views; Hillsborough River,ca.20 mi. NE Tampa, Hillsborough County, Florida.
PLATE 32
Top—Trionyx ferox, female, UMMZ 90010 (×2/9); east edge Okefinokee Swamp, Charlton County, Georgia.Bottom—Left,Trionyx ferox, adult male, UMMZ 102276 (×1/5), 14 mi. SE Punta Gorda, Lee County, Florida; right,Trionyx sinensis, female, KU 39417 (×3/10), 5 mi. ESE Seoul, Korea. All dorsal views; note resemblance of two species in having longitudinal ridging and marginal ridge of carapace.
Top—Trionyx ferox, female, UMMZ 90010 (×2/9); east edge Okefinokee Swamp, Charlton County, Georgia.Bottom—Left,Trionyx ferox, adult male, UMMZ 102276 (×1/5), 14 mi. SE Punta Gorda, Lee County, Florida; right,Trionyx sinensis, female, KU 39417 (×3/10), 5 mi. ESE Seoul, Korea. All dorsal views; note resemblance of two species in having longitudinal ridging and marginal ridge of carapace.
PLATE 33Trionyx spinifer spinifer, juveniles, dorsal views.Top—UMMZ 74518 (× 12/5); Portage Lake, Washtenaw County, Michigan.Bottom—TU 16132 (× 11/5); Sevierville, Sevier County, Tennessee.
PLATE 33
Trionyx spinifer spinifer, juveniles, dorsal views.Top—UMMZ 74518 (× 12/5); Portage Lake, Washtenaw County, Michigan.Bottom—TU 16132 (× 11/5); Sevierville, Sevier County, Tennessee.
PLATE 34Trionyx spinifer spinifer, dorsal views.Top—Adult male, UMMZ 54401 (×3/7), Portage Lake, Livingston County, Michigan.Bottom—Female, UMMZ 81699 (×2/7), Ottawa County, Michigan.
PLATE 34
Trionyx spinifer spinifer, dorsal views.Top—Adult male, UMMZ 54401 (×3/7), Portage Lake, Livingston County, Michigan.Bottom—Female, UMMZ 81699 (×2/7), Ottawa County, Michigan.
PLATE 35Trionyx spinifer hartwegi, dorsal views.Top—Juveniles; left, KU 40210 (×9/10), 121/2mi. S, 11/4mi. W Meade, Meade County, Kansas; right, KU 16531 (× 1), Smoky Hill River, 3 mi. SW Elkader, Logan County, Kansas.Bottom—Adult Males; left, KU 18385 (×2/5), Arrington, Comanche County, Kansas; right, KU 3758 (×3/10), Little Salt Marsh, Stafford County, Kansas.
PLATE 35
Trionyx spinifer hartwegi, dorsal views.Top—Juveniles; left, KU 40210 (×9/10), 121/2mi. S, 11/4mi. W Meade, Meade County, Kansas; right, KU 16531 (× 1), Smoky Hill River, 3 mi. SW Elkader, Logan County, Kansas.Bottom—Adult Males; left, KU 18385 (×2/5), Arrington, Comanche County, Kansas; right, KU 3758 (×3/10), Little Salt Marsh, Stafford County, Kansas.
PLATE 36Trionyx spinifer hartwegi.Top—Juveniles; left, TU 13885, dorsal view (×3/4), Little Vian Creek, 1 mi. E Vian, Sequoyah County, Oklahoma; right, KU 3732, ventral view (×5/7), Independence, Montgomery County, Kansas.Bottom—Adult female, TTC 719, dorsal view (×2/7), 10 mi. S, 2 mi. W Gruver, Hansford County, Texas.
PLATE 36
Trionyx spinifer hartwegi.Top—Juveniles; left, TU 13885, dorsal view (×3/4), Little Vian Creek, 1 mi. E Vian, Sequoyah County, Oklahoma; right, KU 3732, ventral view (×5/7), Independence, Montgomery County, Kansas.Bottom—Adult female, TTC 719, dorsal view (×2/7), 10 mi. S, 2 mi. W Gruver, Hansford County, Texas.
PLATE 37Trionyx spinifer asper, juveniles, dorsal views.Top—Left, male, KU 50839 (×9/10), Flint River, 11/2mi. S Bainbridge, Decatur County, Georgia; right, female, TU 15661 (×9/10), Blackwater River, 4.3 mi. NW Baker, Okaloosa County, Florida.Bottom—Left, male, TU 13623 (×7/9), Yellow River, 3.1 mi. W Hammond, Tangipahoa Parish, Louisiana; right, female, TU 14362 (×4/5), Hobolochito Creek, 1 mi. N Picayune, Pearl River County, Mississippi.
PLATE 37
Trionyx spinifer asper, juveniles, dorsal views.Top—Left, male, KU 50839 (×9/10), Flint River, 11/2mi. S Bainbridge, Decatur County, Georgia; right, female, TU 15661 (×9/10), Blackwater River, 4.3 mi. NW Baker, Okaloosa County, Florida.Bottom—Left, male, TU 13623 (×7/9), Yellow River, 3.1 mi. W Hammond, Tangipahoa Parish, Louisiana; right, female, TU 14362 (×4/5), Hobolochito Creek, 1 mi. N Picayune, Pearl River County, Mississippi.
PLATE 38Trionyx spinifer asper, dorsal views.Top—Left, adult male, TU 15869 (×1/2), Escambia River, 1.2 mi. E Century, Escambia County, Florida; right, female, TU 14673.3 (×1/2), Black Warrior River, 171/2mi. SSW Tuscaloosa, Tuscaloosa County, Alabama.Bottom—Left, adult male, TU 17117 (×1/4), Pearl River, Varnado, Washington Parish, Louisiana; right, female, TU 16584 (×1/5), locality same as TU 15869.
PLATE 38
Trionyx spinifer asper, dorsal views.Top—Left, adult male, TU 15869 (×1/2), Escambia River, 1.2 mi. E Century, Escambia County, Florida; right, female, TU 14673.3 (×1/2), Black Warrior River, 171/2mi. SSW Tuscaloosa, Tuscaloosa County, Alabama.Bottom—Left, adult male, TU 17117 (×1/4), Pearl River, Varnado, Washington Parish, Louisiana; right, female, TU 16584 (×1/5), locality same as TU 15869.
PLATE 39Trionyx spinifer pallidus, new subspecies, dorsal views.Top—Juveniles; left, TU 481 (×2/3), Caddo Lake, Caddo Parish, Louisiana; right, KU 50832 (×9/10), mouth of Caney Creek, 4 mi. SW Kingston, Marshall County, Oklahoma.Bottom—Adult males; left, holotype, TU 484 (×1/3), locality same as TU 481; right, TU 1122 (×2/9), Lacassine Refuge, Cameron Parish, Louisiana.
PLATE 39
Trionyx spinifer pallidus, new subspecies, dorsal views.Top—Juveniles; left, TU 481 (×2/3), Caddo Lake, Caddo Parish, Louisiana; right, KU 50832 (×9/10), mouth of Caney Creek, 4 mi. SW Kingston, Marshall County, Oklahoma.Bottom—Adult males; left, holotype, TU 484 (×1/3), locality same as TU 481; right, TU 1122 (×2/9), Lacassine Refuge, Cameron Parish, Louisiana.
PLATE 40Trionyx spinifer pallidus, new subspecies, dorsal views.Top—Females; left, TU 13213 (×1/4), Sabine River, 8 mi. SW Negreet, Sabine Parish, Louisiana; right, TU 13266 (×2/9), Sabine River, 8 mi. SW Merryville, Beauregard Parish, Louisiana.Bottom—Left, adult male, SM 2889 (×1/4), Groveton, Trinity County, Texas; right, female, TU 14402 (×1/5), Trinity River, near junction with Big Creek, Liberty County, Texas.
PLATE 40
Trionyx spinifer pallidus, new subspecies, dorsal views.Top—Females; left, TU 13213 (×1/4), Sabine River, 8 mi. SW Negreet, Sabine Parish, Louisiana; right, TU 13266 (×2/9), Sabine River, 8 mi. SW Merryville, Beauregard Parish, Louisiana.Bottom—Left, adult male, SM 2889 (×1/4), Groveton, Trinity County, Texas; right, female, TU 14402 (×1/5), Trinity River, near junction with Big Creek, Liberty County, Texas.
PLATE 41Trionyx spinifer guadalupensis, new subspecies, dorsal views.Top—Juveniles; left, ANSP 16717 (× 1), no data; right, KU 50834 (× 11/10), Hondo Creek, 4 mi. W Bandera, Bandera County, Texas.Bottom—Adult males; left, holotype UMMZ 89926 (×1/3), 15 mi. NE Tilden, McMullen County, Texas; right, SM 659 (×3/10), Colorado River, near Austin, Travis County, Texas.
PLATE 41
Trionyx spinifer guadalupensis, new subspecies, dorsal views.Top—Juveniles; left, ANSP 16717 (× 1), no data; right, KU 50834 (× 11/10), Hondo Creek, 4 mi. W Bandera, Bandera County, Texas.Bottom—Adult males; left, holotype UMMZ 89926 (×1/3), 15 mi. NE Tilden, McMullen County, Texas; right, SM 659 (×3/10), Colorado River, near Austin, Travis County, Texas.
PLATE 42Trionyx spinifer guadalupensis, new subspecies, dorsal views.Top—Adult females; left, TU 16036.1 (×1/5), Llano River, 2 mi. W Llano, Llano County, Texas; right, TU 10160 (×1/5), Guadalupe River, 9 mi. SE Kerrville, Kerr County, Texas.Bottom—Left, female, CM 3118 (×3/4), Black Bayou, Victoria County, Texas; right, male, TU 14419.6 (×5/9), San Saba River, 11 mi. NNW San Saba, San Saba County, Texas.
PLATE 42
Trionyx spinifer guadalupensis, new subspecies, dorsal views.Top—Adult females; left, TU 16036.1 (×1/5), Llano River, 2 mi. W Llano, Llano County, Texas; right, TU 10160 (×1/5), Guadalupe River, 9 mi. SE Kerrville, Kerr County, Texas.Bottom—Left, female, CM 3118 (×3/4), Black Bayou, Victoria County, Texas; right, male, TU 14419.6 (×5/9), San Saba River, 11 mi. NNW San Saba, San Saba County, Texas.
PLATE 43Trionyx spinifer emoryi, dorsal views.Top—Juveniles; left, UMMZ 69411 (×3/4), Río Conchos, 9 mi. N Linares, Nuevo León, México; right, UMMZ 69412 (×5/6), Río Purificación, north Ciudad Victoria, Tamaulipas, México.Bottom—Adult males; left, topotype, TU 11561 (×1/3), Brownsville, Cameron County, Texas; right, KU 48217 (×1/3), Black River Village, Eddy County, New Mexico.
PLATE 43
Trionyx spinifer emoryi, dorsal views.Top—Juveniles; left, UMMZ 69411 (×3/4), Río Conchos, 9 mi. N Linares, Nuevo León, México; right, UMMZ 69412 (×5/6), Río Purificación, north Ciudad Victoria, Tamaulipas, México.Bottom—Adult males; left, topotype, TU 11561 (×1/3), Brownsville, Cameron County, Texas; right, KU 48217 (×1/3), Black River Village, Eddy County, New Mexico.
PLATE 44Trionyx spinifer emoryi, dorsal views.Top—Left, adult male, KU 51194 (×2/7), Río Conchos, near Meoquí, Chihuahua, México; right, female, KU 3119 (×4/9), Salt River, Phoenix, Maricopa County, Arizona.Bottom—Females; left, KU 3118 (×1/5), locality same as KU 3119; right, TU 14453 (×3/10), Pecos River, near junction with Independence Creek, Terrell County, Texas.
PLATE 44
Trionyx spinifer emoryi, dorsal views.Top—Left, adult male, KU 51194 (×2/7), Río Conchos, near Meoquí, Chihuahua, México; right, female, KU 3119 (×4/9), Salt River, Phoenix, Maricopa County, Arizona.Bottom—Females; left, KU 3118 (×1/5), locality same as KU 3119; right, TU 14453 (×3/10), Pecos River, near junction with Independence Creek, Terrell County, Texas.
PLATE 45Trionyx muticus muticus, juveniles, dorsal views.Top—Topotypes (× 1), Wabash River, 2 mi. S New Harmony, Posey County, Indiana; left, INHS 7278; right, INHS 7279.Bottom—Left, TU 14375 (×3/4), Trinity River near junction with Big Creek, Liberty County, Texas; right, KU 50845 (× 12/5), 4 mi. N Atwood, Hughes County, Oklahoma.
PLATE 45
Trionyx muticus muticus, juveniles, dorsal views.Top—Topotypes (× 1), Wabash River, 2 mi. S New Harmony, Posey County, Indiana; left, INHS 7278; right, INHS 7279.Bottom—Left, TU 14375 (×3/4), Trinity River near junction with Big Creek, Liberty County, Texas; right, KU 50845 (× 12/5), 4 mi. N Atwood, Hughes County, Oklahoma.