TITOMOMYS. 65 



Thomomys hesperus Morriuni. Biologioal Survey collection. 



I'rnc. I'.i.il. Soc. Wash., XIV, p. IKi, July 19, 1901. 



65>82r>. Skin and skull. Adult fcinule. Tillamook, Oregon. Novem- 

 l)er t», 181U. Collected ))y -F. E. McLellan. Original nuin])orll89. 

 Well-made skin in good condition; skull i)erfect, except for iibscncu of left 

 upper i)remolar. 



Thomomys idahoensis Merriani. Biological Survey collection. 



Proc. Biol. Soc. Wash., XIV, p. lU, .luly 19, 1901. 



liV^ui^. Skin and skull. Adult male. Birch Creek, Idaho. Augusts, 

 ISIHJ. Collected by C. P. Streator. Original luuuher 12!>. 

 Well-made skin in ijood condition; skull perfect. 



Thomomys fulvus intermedius Alearns. 



Proc. U. S. Nat. IVIus., XIX, No. 1121, p. 719, July 30, 1897. 



lUsT- Skin and skull. Adult male. Aspen aud spruce zone at the 

 sinnuiit of the Iluachuca Mountains, Arizona. Altitude t),00() feet. 

 September (5, 1898. Collected b}' F. X. Holzner. International 

 Boundary Commission. Original number 1013. Catalogued No- 

 vember 2, 1893. 



Well-made skin in good condition; skull lacking most of the left zygoma, 

 otherwise perfect. 



Thomomys aureus lachuguilla Bailey. Biological Survey collection. 

 Proc. Biol. Soc. Wash., XV, p. 120, June 2, 1902. 



110336. Skin and skull. Adult male. Foothills near El Paso, Texas. 

 September 24, I'.HH. Collected by V. Bailey. Original number 



7858. 



Well-made skin in good condition; skull perfect. 



Thomomys laticeps Baird. 



Proc. Acad. Nat. Sci. Pliila., VII, p. 335, this paper was reported favorably for 

 publication April 24, 1855. 



iVA- Skin and skull. Humboldt Bay, California. Collected by 

 Lieut. W. P. Trowbridge, U. S. A. Catalogued February '2J, 

 1855. 



Badlj' made skin in rather jjoor condition; legs sprawling, tail not skinned out. 

 A naked patch on left side. It has the appearance of once having been in alco- 

 hol. Skull much damaged, but lower jaw almost perfect. Rostral and tooth- 

 bearing portions above complete, but the teeth on right side are all broken off. 

 Fragments of cranial bones present and adherent to dried-up brain. 



Type not designated l)y mmilier in the original description, l)ut in Mannnals 

 of North America it is seen that Baird liad but one specimen referred to by 

 number. 



45336—08 5 



