thomomys. 275 



Broad-headed Pocket Gopher. 



Type locality. Humboldt Bay, Humboldt County, California. 

 Geogr. Distr. Northern California. 



678. Thomomys townsendi (Bachman). 



Geomys townsendii Bachm., Joum. Acad. Nat. Scien. Phil., 1839, 



p. 105. 

 Geomys borealis Bachm., Joum. Acad. Nat. Scien. Phil., 183Q, 



p. 103. (nee Rich.) 

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



II, 1901, p. 224. Zool. Ser. 

 Townsend's Pocket Gopher. 



Type locality. " Rocky Mountains" ; probably southwestern Wyo- 

 ming. 



Geogr. Distr. Southwestern Wyoming. Range unknown. 



679. Thomomys monticola Allen. 



Thomomys monticolus! Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1893, 



p. 48. 

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

 II, 1901, p. 225. Zool. Ser. 

 Mountain Pocket Gopher. 



Type locality. Mt. Tallac, El Dorado County, California. Alti- 

 tude, 7,500 feet. 



Geogr. Distr. Northern California from San Francisco Bay to 

 northwestern Nevada. 



a. Thomomys monticolci pinetorum, Merriam. 



Thcmwmys m,onticolus! pinetorum Merr., N. Am. Faun., No. 16, 



1899, p. 97. 

 Thomomys monticola pinetorum Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, p. 225. Zool. Ser. 

 Pine Pocket Gopher. 



Type locality. Sisson, Siskiyou County, California. 

 Geogr. Distr. Northern California. Range unknown. 



680. Thomomys mazama Merriam. 



Thomomys mazama Merr., Proc. Biol. Soc. W^ash., xi, 1897, p. 214. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 225. 

 Zool. Ser. 

 Mt. Mazama Pocket Gopher. 



Type locality. Crater Lake, Mount Mazama, Klamath County, 

 Oregon. Altitude, 6,000 feet. 



Geogr. Distr. Mt. Mazama. Range unknown. 



