_T. b. lenis_, 2; topotypes Av. 251 80 32 39.7 16.0 28.6 22.6 6.8 8.3 3.4 18.4 8.8 Min. 248 74 31 39.4 15.8 28.4 22.4 6.6 8.2 3.0 17.9 8.6 Max. 255 86 32 29.9 16.2 28.7 22.7 6.9 8.5 3.7 18.8 8.9 _T. b. contractus_, 8; topotypes Av. 229 74 31 33.3 12.5 23.7 19.1 6.6 7.6 3.0 15.4 7.3 Min. 209 63 28 30.0 10.9 21.4 17.7 6.3 7.2 2.4 13.5 6.5 Max. 255 85 33 37.4 14.5 26.4 20.9 6.9 8.0 3.5 18.2 8.0 ---------------------------------------------------------------------- MEASUREMENTS OF ADULT MALES OF THOMOMYS--_Continued_ ====================================================================== 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 ---------------------------------------------------------------------- No. 191959 (U. S. N. M.) _T. b. levidensis_, 1; topotype 222 65 28 33.3 12.7 24.5 19.0 6.5 7.6 3.3 15.1 8.0 _T. b. convexus_, 6; topotypes Av. 213 59 28 33.1 14.3 24.9 21.7 6.6 8.0 2.6 16.2 8.2 Min. 206 57 27 31.3 13.9 23.8 21.0 6.5 7.7 2.1 15.2 8.0 Max. 233 68 29 35.0 14.6 26.7 22.3 6.8 8.1 2.8 17.2 8.6 _T. b. tivius_, 7; topotypes Av. 208 69 27 31.5 12.2 22.4 18.4 6.4 7.2 2.4 14.0 7.1 Min. 199 67 25 29.3 11.9 20.6 17.1 6.0 7.0 2.1 13.2 6.5 Max. 227 70 30 34.1 12.8 25.0 19.8 6.6 7.6 3.0 15.0 7.9 _T. b. bonnevillei_, 3; topotypes Av. 228 70 30 35.4 13.9 26.4 21.8 6.6 8.1 3.7 17.6 8.5 Min. 221 62 30 33.6 13.2 25.4 20.5 6.5 8.1 3.4 16.1 8.2 Max. 236 79 30 37.4 14.9 28.0 22.5 6.7 8.1 4.3 18.1 8.7 _T. b. sevieri_, 3; topotypes Av. 216 67 30 32.7 12.9 22.9 18.7 6.4 7.2 2.5 15.3 7.6 Min. 210 66 29 31.7 11.8 22.2 18.0 6.2 7.0 1.8 14.5 7.5 Max. 222 68 31 33.5 13.5 23.4 19.3 6.7 7.2 3.0 16.4 7.7 _T. b. wahwahensis_, 4; topotypes Av. 228 66 29 34.7 13.5 25.5 20.7 6.6 7.3 2.3 15.7 8.7 Min. 210 60 26 33.0 13.1 24.6 20.1 6.5 7.0 2.2 14.9 8.5 Max. 250 78 30 37.6 14.6 27.0 21.4 6.8 8.0 2.5 17.1 9.0