TotallengthLengthof tailLengthofhindfootBasilarlengthLengthofnasalsZygomaticbreadthMastoidbreadthInterorbitalbreadthAlveolarlengthofuppermolarseriesExtensionofpremaxpost. tonasalsLengthofrostrumBreadthofrostrumT. b. howelli, 5; 10 mi. N MoabAv.213673133.113.523.220.16.58.32.516.18.8Min.205643031.812.822.818.96.48.02.315.18.1Max.225683235.314.324.120.76.88.82.817.59.4No. 3094 (U. U.)T. b. absonus, 1; topotype220712932.013.922.619.06.47.01.015.17.2No. 158529 (U. S. N. M.)T. b. osgoodi, 1; topotype225702933.813.322.719.66.68.43.216.58.3T. b. alexandrae, 1; topotype (Benson, 1935:450)205592733.913.724.319.76.58.0...15.88.1
Measurements of Adult Females of Thomomys(In millimeters)
TotallengthLengthof tailLengthofhindfootBasilarlengthLengthofnasalsZygomaticbreadthMastoidbreadthInterorbitalbreadthAlveolarlengthofuppermolarseriesExtensionofpremaxpost. tonasalsLengthofrostrumBreadthofrostrumT. b. aureiventris, 2; topotypes (Hall, 1930:446)Av.212623032.412.922.919.46.77.42.8.......Min.208582931.812.622.518.96.67.02.7.......Max.215653033.013.123.319.86.87.83.1.......T. b. centralis, 17; topotypes (Hall, 1930:446)Av.214672931.812.622.119.06.67.62.7.......Min.195552730.511.921.318.25.97.02.0.......Max.229753033.013.823.120.17.17.83.4.......T. b. albicaudatus, 4; topotypes (Hall, 1930:446)Av.211643032.512.922.918.86.67.72.7.......Min.199552931.711.921.918.26.17.52.6.......Max.219703233.813.524.019.56.88.03.0.......T. b. robustus, 11; topotypesAv.199612730.611.722.618.86.47.62.613.97.4Min.191562229.010.621.018.16.27.12.012.07.1Max.207662931.612.223.619.86.78.02.914.77.9T. b. stansburyi, 5; topotypesAv.202572831.112.121.918.76.57.72.614.57.4Min.195562629.910.621.017.86.27.32.313.46.9Max.210633032.712.822.419.56.88.03.015.27.7No. 900 (U. U.)T. b. nesophilus, 1; topotype210653131.212.323.219.36.98.22.215.27.3T. b. minimus, 2; topotypesAv.178562528.210.619.717.46.17.02.313.16.7Min.175542428.110.419.617.16.17.02.313.06.5Max.181582528.210.819.717.76.17.02.313.26.8T. b. contractus, 6; topotypesAv.219683033.112.623.319.56.57.82.615.57.1Min.208582932.212.022.218.96.47.62.314.27.0Max.225733134.713.325.220.66.78.23.217.07.3T. b. levidensis, 4; topotypesAv.205692630.511.121.717.56.67.52.914.07.0Min.194612629.310.621.517.36.37.22.813.06.9Max.223732730.811.521.917.96.97.83.214.77.2
Measurements of Adult Females of Thomomys—Continued
TotallengthLengthof tailLengthofhindfootBasilarlengthLengthofnasalsZygomaticbreadthMastoidbreadthInterorbitalbreadthAlveolarlengthofuppermolarseriesExtensionofpremaxpost. tonasalsLengthofrostrumBreadthofrostrumT. b. convexus, 11; topotypesAv.197572729.912.521.719.36.67.72.614.77.4Min.182432627.911.221.018.86.27.12.113.37.1Max.204632830.913.422.319.87.17.93.115.27.7T. b. tivius, 5; topotypesAv.203682729.511.121.117.86.57.22.413.56.8Min.192632628.010.520.117.36.37.12.012.76.4Max.215743031.311.422.919.06.77.53.014.27.2T. b. bonnevillei, 7; topotypesAv.199572831.711.822.219.36.67.73.214.97.3Min.184502429.410.120.318.16.47.12.613.56.9Max.216662934.313.624.320.37.08.54.116.67.7T. b. sevieri, 7; topotypesAv.205622830.211.821.618.06.47.02.714.27.1Min.199542829.411.320.617.76.16.62.113.96.6Max.212702930.712.622.118.66.87.43.014.77.6T. b. wahwahensis, 8; topotypesAv.185562728.711.320.617.66.37.12.112.67.1Min.180502626.310.219.016.55.86.91.110.86.4Max.197622930.712.622.019.06.77.82.914.07.6T. b. planirostris, 8; topotypes (Burt, 1931:39)Av.215713132.212.423.218.76.58.13.6....7.9Min.205613031.511.822.318.16.47.52.8....7.5Max.228783333.012.924.119.56.78.64.5....8.1T. b. birdseyei, 3; topotypesAv.220712931.611.822.718.66.17.42.414.77.5Min.217682831.411.022.418.36.07.31.613.37.4Max.223753032.012.823.019.16.27.43.015.37.5T. b. virgineus, 4; Beaverdam Wash, 5 mi. N Utah-Arizona LineAv.211642931.612.222.619.45.97.53.115.17.3Min.202602731.311.322.418.85.87.32.414.47.2Max.218683032.112.822.720.06.17.83.715.57.6T. b. aureus, 3; topotypesAv.226573133.213.323.819.86.78.21.915.38.2Min.217543032.812.523.319.66.48.01.614.58.2Max.233643134.014.224.419.86.98.42.016.48.3No. 20300 (C. M.)T. b. howelli, 1; 10 mi. N Moab202592832.412.321.119.26.47.92.415.88.3
Measurements of Adult Females of Thomomys—Concluded
TotallengthLengthof tailLengthofhindfootBasilarlengthLengthofnasalsZygomaticbreadthMastoidbreadthInterorbitalbreadthAlveolarlengthofuppermolarseriesExtensionofpremaxpost. tonasalsLengthofrostrumBreadthofrostrumNo. 158524 (U. S. N. M.)T. b. dissimilis, 1; topotype188612728.210.119.016.76.17.42.112.86.5No. 158528 (U. S. N. M.)T. b. osgoodi, 1; topotype203612729.611.5....18.36.97.42.014.07.3T. b. alexandrae, 3; topotypesAv.205632830.911.820.817.96.47.61.814.17.5Min.195572728.711.520.517.26.37.51.513.67.2Max.215702931.512.122.218.66.57.72.014.77.7
Allen, J. A.
1874. Notes on the mammals of portions of Kansas, Colorado, Wyoming and Utah, Part IV. On the mammals of the Great Salt Lake Valley, Utah. Bull. Essex Inst., 6:61-66, 1874.
1893. Descriptions of four new species ofThomomyswith remarks on other species of the genus. Bull. Amer. Mus. Nat. Hist., 5:47-68, April 28, 1893.
1893. List of mammals collected by Mr. Charles P. Rowley in the San Juan region of Colorado, New Mexico and Utah, with descriptions of new species. Bull. Amer. Mus. Nat. Hist., 5:69-84, April 28, 1893.
1896. List of mammals collected by Mr. Walter W. Granger in New Mexico, Utah, Wyoming and Nebraska, 1895-1896, with field notes by the collector. Bull. Amer. Mus. Nat. Hist., 8:241-258, November 25, 1896.
1905. Mammals from Beaver County, Utah, collected by the Museum expedition of 1904. Brooklyn Inst. Mus. Sci. Bull., 1:117-122, March 31, 1905.
Bailey, Vernon.
1915. Revision of the pocket gophers of the genusThomomys. N. Amer. Fauna, 39:1-136, pls. 8, 10 figs., November 15, 1915.
Barnes, Claude T.
1922. Mammals of Utah. Bull. Univ. Utah, 12 (No. 15):1-176, 30 figs., April, 1922.
1927. Utah mammals. Bull. Univ. Utah, 17 (No. 12):1-183, 32 figs., June, 1927.
Benson, Seth B.
1935. A biological reconnaissance of Navajo Mountain, Utah. Univ. California Publ. Zoöl., 40:439-455, December 31, 1935.
Burt, William H.
1931. A new pocket gopher of the genusThomomysfrom Utah. Proc. Biol. Soc. Washington, 44:37-40, May 8, 1931.
Coues, E.
1875. Abstract of results of a study of the generaGeomysandThomomys. Part III. Zoölogy, in explorations of the Colorado River of the West and its tributaries, explored in 1869, 1870, 1871 and 1872 under the direction of the Smithsonian Institution, reported by J. W. Powell, Gov't Printing Office, Washington, D. C., 1875.
1877. Monographs of North American Rodents, No. X, Geomyidae, pp. 601-629, U. S. Geol. Surv. of the territories, Gov't Printing Office, Washington, D. C., 1877.
Coues, E., andYarrow, H. C.
1875. Report upon the collection of mammals made in portions of Nevada, Utah, California, New Mexico and Arizona during the years 1871-74. Wheeler's Rept. Expl. W of 100th Mer. vol. 5, pp. 35-129, 1875.
Davis, William B.
1939. The Recent mammals of Idaho. The Caxton Printers, Ltd., Caldwell, Idaho, pp. 1-400, pls. 2, 33 figs., April 5, 1939.
Durrant, Stephen D.
1937. Two new gophers from Utah. Bull. Univ. Utah, 28 (No. 4):1-7, August 18, 1937.
1939. A new pocket gopher of theThomomys quadratusgroup from the northern Great Basin region. Bull. Univ. Utah, 39 (No. 6):1-6, February 28, 1939.
Goldman, E. A.
1933. New mammals from Arizona, New Mexico and Colorado. Journ. Washington Acad. Sci., 23:463-473, October 15, 1933.
1936. New pocket gophers of the genusThomomys. Journ. Washington Acad. Sci., 26:111-120, March 15, 1936.
1938. New pocket gophers of the genusThomomysfrom Arizona and Utah. Journ. Washington Acad. Sci., 28:333-343, July 15, 1938.
1939. Remarks on pocket gophers, with special reference toThomomys talpoides. Journ. Mamm., 20:231-244, May 14, 1939.
1942. Three new rodents from southern Utah. Proc. Biol. Soc. Washington, 55:75-78, July 25, 1942.
Hall, E. Raymond.
1931. Critical comments on mammals from Utah, with descriptions of new forms from Utah, Nevada and Washington. Univ. California Publ. Zoöl., 37:1-13, April 10, 1931.
Hall, E. Raymond, andDavis, William B.
1934. Notes on Arizona rodents. Proc. Biol. Soc. Washington, 47:51-56, February 9, 1934.
Hayward, C. Lynn.
1936. A bibliography of Utah mammalogy; including references to names and type localities applied to Utah mammals. Utah Acad. Sci. Arts and Letters, 13:122-146, 1936.
1941. A bibliography of Utah mammalogy; including references to names and type localities (first supplement). Great Basin Nat., 2:125-136, December 31, 1941.
Marshall, William H.
1940. A survey of the mammals of the islands in Great Salt Lake, Utah. Journ. Mamm., 21:149-159, 2 pls., 1 map, May 14, 1940.
Merriam, C. Hart.
1901. Descriptions of twenty-three new pocket gophers of the genusThomomys. Proc. Biol. Soc. Washington, 14:107-117, July 19, 1901.
Miller, Gerritt S., Jr.
1924. List of North American Recent mammals, 1923. U. S. Nat. Mus. Bull., 128, pp. I-XVI, + 1-673, Govt. Printing Office, Washington, D. C., March 18, 1924.
Svihla, Ruth Dowell.
1931. Mammals of the Uinta Mountains region. Journ. Mamm., 12:256-266, pls. 1, 1 fig., August 24, 1931.
21-2786
Transcriber's NotesTheContentsare for the entire Vol. 1, not the contents of this individual publication.Made minor punctuation corrections, and the following changes:Page11: Changed Oquirrah Mountains to Oquirrh Mountains.Page15: Changed interptergoid to interpterygoid.Page25: Changed acccounts to accounts.Page30: Changed distiguished to distinguished.Page54: Changed hpyothesis to hypothesis.Page57: Changed under parts to underparts.