W.B.Sario Mammals examined from Idaho in the 1935 Chas. R. Conner Mus, Pullman, Wash. 469. Cranial measurements Sex-age Basilar Hensel 2ygo. Br. L.of Nasols Inter Orbital Lot Palate Max.T. Roce Incisive Foramen Br.of Rostrum Mastoid Breadth Depth of Slw Cavity Bulloae Length of Bulloae 415 ♀ ad, 19.9 12.6 6.4 3.8 3.9 5.1 4.9 4.0 10.7 8.6 6.2 410 ♀ ad. 19.9 13.1 6.5 3.9 4.2 5.2 4.5 4.2 11.3 9.0 6.7 409 ♀ - - 6.0 4.2 4.3 5.5 4.1 4.0 - - - 408 ♀ - - 6.0 3.8 4.1 4.9 4.3 4.0 10.5 8.3 6.4 407 ♀ - 12.0 6.2 4.0 4.3 4.9 4.4 4.2 10.6 8.6 6.9 406 ♀ 18.8 12.2 - 3.9 - 5.3 4.2 4.1 11.0 8.8 7.0 405 ♂ - - 6.6 4.3 4.4 5.4 4.4 4.2 - - 6.9 404 ♂ 18.7 12.1 - 4.0 4.0 5.1 4.3 4.1 10.8 8.6 6.9 403 ♀ 19.0 12.3 6.2 4.0 4.4 5.3 4.2 4.6 10.8 8.8 6.8 402 ♀ yq. 17.5 11.8 6.1 4.0 4.3 5.3 - 4.5 10.3 8.5 - 401 ♀ 18.9, 11.9 - 3.8 4.1 5.2 4.2 4.0 10.5 8.8 6.4 average. 18.9 12.3 6.3 4.0 4.2 5.2 4.4 4.2 10.7 8.7 This meas is not Reliable. Ratio to Basilar, 65 33.3 21.2 22.2 27.5 23.3 22.2 49% 46.1 specimens from Adams County, Idaho, No.54762♂ is from weippe, Clearwater County 152-48-19-12. 46826♂ 21.7 13.2 7.2 4.0 4.6 5.2 5.0 4.4 11.4 9.2 151-42-19-12 46827♀ 21.6 13.6 7.4 3.9 4.5 5.2 5.0 4.4 11.2 9.2 145-41-20/12 46828♂ 21.2 13.5 7.5 4.0 4.3 5.2 4.9 4.6 11.7 9.5 150-42-19-11 46829♀ 21.0 13.0 7.1 4.0 4.4 5.2 5.0 4.3 11.2 9.1 152-44-19-18 54769♀ 21.0 13.0 7.2 3.9 4.6 5.3 4.8 4.0 11.5 9.2 145-45-18-14 54768♂ 20.9 14.1 7.3 3.9 4.2 5.0 5.0 4.2 11.8 9.6 145-45-18-14.5 54767♀ 20.6 13.0 6.8 3.7 4.3 5.4 5.0 4.4 11.1 9.0 148-46-19-13 54765♀ 20.7 13.0 7.1 3.8 4.3 5.1 4.9 4.6 11.1 9.0 148-45-19-14.5 54764♂ 141-42-18.5-13 54763♂ 20.4 13.4 7.1 3.7 4.1 4.8 5.0 4.3 11.3 9.3 138-39-18-13.5 not Averaged. 54762♂ yq. 19.3 12.3 6.2 4.0 4.3 5.1 4.6 4.1 11.0 8.9 average of ♀. 21.0 13.3 7.2 3.9 4.4 5.2 4.9 4.3 11.4 9.2 Ratio to Basilar 65.3 34.3 18.6 20.9 24.8 23.3 20.5 54.2 43.8