====================================================================== Total length | Length of tail | | Length of hind foot | | | Basilar length | | | | Length of nasals | | | | | Zygomatic breadth | | | | | | Mastoid breadth | | | | | | | Interorbital breadth | | | | | | | | Alveolar length of | | | | | | | | upper molar series | | | | | | | | | Extension of premax | | | | | | | | | post. to nasals | | | | | | | | | | Length of | | | | | | | | | | rostrum | | | | | | | | | | | Breadth | | | | | | | | | | | of rostrum ---------------------------------------------------------------------- _T. t. gracilis_, 4; topotypes Av. 204 53 28 31.5 13.4 21.7 18.3 6.4 7.6 1.3 15.4 7.2 Min. 194 47 27 30.3 12.9 21.1 17.8 6.3 7.3 1.0 14.7 6.7 Max. 210 63 28 33.5 14.2 22.0 19.0 6.5 7.9 1.7 16.4 7.5 _T. t. oquirrhensis_, 4; topotypes Av. 209 58 28 32.2 13.9 21.9 19.0 6.9 7.6 0.9 15.8 7.7 Min. 197 55 28 31.9 13.7 21.4 18.5 6.7 7.2 0.6 15.5 7.5 Max. 216 60 29 32.8 14.3 22.8 19.5 7.1 7.9 1.0 16.2 7.9 _T. t. wasatchensis_, 10; topotypes Av. 221 67 28 31.3 13.4 21.5 18.9 6.5 7.4 1.1 15.1 7.4 Min. 204 60 26 27.4 11.6 19.1 17.2 6.0 6.6 0.9 14.0 6.7 Max. 237 75 31 34.5 15.2 23.7 20.4 7.3 8.0 2.0 16.5 8.2 _T. t. uinta_, 5; SW slope Bald Peak, Uinta Mts. Av. 199 51 27 31.5 13.1 21.7 19.4 6.3 7.6 1.1 15.2 7.4 Min. 185 47 26 29.6 12.1 20.3 19.0 5.7 7.3 0.7 13.5 7.2 Max. 208 54 28 32.8 13.8 22.2 20.0 6.5 7.8 1.4 15.6 7.6 _T. t. moorei_, 7; topotypes Av. 216 65 29 32.4 13.9 22.9 19.2 6.5 7.7 1.5 15.9 7.3 Min. 203 52 27 31.3 13.0 21.5 18.4 6.0 7.3 0.9 14.8 6.7 Max. 236 72 31 34.7 14.5 23.7 20.0 7.0 8.2 2.0 16.3 7.7 _T. t. fossor_, 8; Cascade Creek, La Plata Co., Colo. Av. 215 61 29 31.7 13.2 21.2 18.7 5.9 7.5 0.6 15.5 7.1 Min. 202 54 27 30.5 12.0 20.5 18.2 5.5 7.0 0.0 14.5 6.9 Max. 228 70 30 33.0 14.4 23.5 19.9 6.3 7.9 1.1 16.9 7.4 _T. t. ravus_, 3; topotypes Av. 248 73 30 35.2 14.6 24.8 21.4 6.3 8.3 2.4 17.1 8.2 Min. 244 70 29 34.5 14.3 23.6 20.5 6.0 8.2 2.2 16.7 8.1 Max. 253 74 30 35.9 15.1 25.7 22.5 6.7 8.4 2.7 17.5 8.5 No. 55270 (U. S. N. M.) _T. t. pygmaeus_, 1; topotype 165 40 20 24.6 10.2 16.3 15.1 5.4 5.9 0.7 12.0 5.7