316 thomomys. 



Mountain Pocket Gopher. 



1. Adult 9 P. Pyramid Peak, California. W. W. Price. 



2. Adult 9 P. Bloods, California. W. W. Price. 



3. Adult 9 P. Big Trees, California. W. W. Price. 



4. Juv. 9 P. Big Trees, California. W. W. Price. 



5. Juv. 9 P. Hermit Valley, California. W. W. Price. 

 6-7. Adult d" P. Blue Lake, California. W. W. Price. 



8-10. Adult 6" P. Silver Lake, California. W. W. Price. 

 11-13. Adult 9 P. Silver Lake, California. W. W. Price. 



14. Adult 6" P. Mt. Siegel, Nevada. W. W. Price. 



15. Juv. 9 P. Mt. Siegel, Nevada. W. W. Price. 



a. T/ioinomj/s dou£lasi fusc/iis (Merriam). 



Thomomys clusius fuscus Merr., N. Am. Faun., No. 5, 1891, p. 70. 



Thomomys douglasi juscus Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 226. Zool. Ser. Id. Check-L. Mamm. N. 



Amer. Cont. & W. Indies, F. C. M. Pub., vi, 1905, p. 277. 



Zool. Ser. 



Swarthy Pocket Gopher. 



1-4. Adult 9 P. Nederiand, Colorado. R. T. Young. 



5. Adult c? P. Okanagan, British Columbia, Canada. C. K. 

 Worthern. 

 6-7. Adult 9 P. Okanagan, British Columbia, Canada. C. K. 

 Worthern. 



539. Thomomys helleri Elliot. 



Thomomys helleri Elliot, Pub. Field Columb. Mus., iii, 1903, p. 

 165. Zool. Ser. Id. Check-L. Mamm. N. Amer. Cont. & W. 

 Indies, F. C. M. Pub., vi, 1905, p. 278. Zool. Ser. 

 Heller's Gopher. 



1-3. Adult c? Paratypes. Coll. Goldbeach, Oregon. E. Heller. 

 4-10. Adult 9 Type and paratypes. Coll. Goldbeach, Oregon. 

 E. Heller. 



540. Thomomys talpoides (Richardson). 



Cricetus talpoides Rich., Zool. Jour., iii, 1828, p. 518. 



Geomys horealis Rich., Rep. Brit. Ass. for 1836, vi, 1837, p. 156. 



Thomomys talpoides Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 227. Zool. Ser. Id. Check-L. Mamm. N. Amer. 



Cont. & W. Indies, F. C. M. Pub., vi, 1905, p. 278. Zool. Ser. 



Richardson's Pocket Gopher. 



1-3. Adult d" P. Canon Ball River, North Dakota. G. K. 



Cherrie. 

 4-5. Adult 9 P. Canon Ball River, North Dakota. G. K. 

 Cherrie. 



