Zygogeomys, Thomomys. 



471 



730. Zygogeomys, Memam, 1895. 

 Memam, North-Amer. Fauua, No 8, 1895, p. 195 



4760.trichopiis, Merriam — (5474). 



Mexico, Michoacan, 

 (Nahuatziu). 



731. Thomomys, Wiecl, 1839. 



Geomys, p., Richards., 1828; JJiplostoma, p.. Richards, 1829; 



Oryctomys, Eyd. et Gerv., 1836. 



Maximilian von Wied-Neuwied, Nova Acta Acad. Leopold., XIX, 1839, 



pars 1, p.. 3 7 7. 



4761.bulbivorus, Richardson — {Si7ô); Elliot, 

 Field Coliimb. Mus., II, 1901, p. 222, fig. 52. 



{3475^); Elliot, 



4762. nevadensis. Merriam 

 1. c, 1901, p. 223. 



4763.leucodon, Merriam - 



1. c, 1901, p. 223. 



a. — navus, Merriam, Proc. Biol. Soc. 

 Wasb., 1901, p. 112. 



4764. operarius, Merriam — {3477^); Elliot, 

 1. c, 1901, p. 223. 



Oregon (ad fl. 

 Columbia), iisque ad 

 Californiam, in Sept. 



San Francisco. 

 Nevada (Austin). 



{3477^); Elliot, Oregon (Rogne River 



Valley, Grant Pass). 



California, 

 (Red Bluff). 



California Orient., 



Inyo Co., (Keeler, 



Owens Lake). 



4765. bottai. Evdoux et Gervais — (3476); Elliot, California Centrali et 

 1. c, 1901, p. 223. 



a. — pallescens,Rhoads — (5 4 76' a); Elliot, 

 1. c, 1901, p. 224. 



4766.laticeps, Baird — (3477); Elliot, 1. c, 

 1901, p. 224. 



4767.townsendi, Richardson — (3478); Elliot, 

 1. c, 1901, p. 224. 



4768.monticola, Allen — (3479); Elliot, 1. c, 

 1901, p. 225; Merriam, N.-Am. Fauua, 

 16, 1899, p. 97. 



a. — pinetorum, Men-iam, N.-Am. Fauna, 



No 16, 1899, p. 97; Elliot, 1. c, 1901, 

 p. 225. 



Merid. (Monterey). 



California Merid., 



Vallo San Bernardine, 



(Grapelands). 



California Sept., 

 (Humboldt Bay). 



Wyoming 



(]\|tes Kupestres), et 



ad fl. Columbia. 



California Sept., 



Eldorado Co., 



(Ms Talac), à Sinu 



San Francisco ad 



W Shasta, Nevada 



Sept.-Occid. 



Siskiyou Co., 

 (Sisson). 



