CYNOMYS. 181 



& W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 155, figs. 28, 

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

 W. Indies, F. C. M. Pub., vi, 1905, p. 117. Zool.- Ser. 

 Prairie-dog. Perrito, Perrito del Campo in Mexico. 



I. Adult (^ P. Rockvale, Colorado. C. K. Mason. 

 2-4. Adult 9 P. Rockvale, Colorado. C. K. Mason. 



5. Adult (^ P. Fremont County, Colorado. C. K. Mason. 



6. Adult d" Exch. Pine Ridge Ind. Reserv., South Dakota. 

 Am. Mus. Nat. Hist. N. Y. W. W. Granger. 



7. Adult c? Exch. Neutral Strip, Indian Territory. Am. 



Mus. Nat. Hist. N. Y. Richardson. 



8. Adult d^ Exch. Beaver River, Oklahoma Territory. Am. 



Mus. Nat. Hist. N. Y. Richardson. 

 9-12. Adult — P. Group mounted. Ward's Nat. Scien. Establ., 

 Rochester, N. Y. 



304. Cynomys pyrrotrichus Elliot. 



Cynomys pyrrotrichtts Elliot, Proc. Biol. Soc. Wash., xviii, 1905, 



P- 139- 

 Red Prairie-dog. 



1-2. Adult d^ Para types. Coll. White Horse Spring, Oklahoma 



Territory. T. Surber. 

 3-6. Adult ? Type & para types. Coll. White Horse Spring, Okla- 

 homa Territory. T. Surber. 



305. Cynomys arizonensis Mearns. 



Cynomys arizonensis Mearns, Bull. Am. Mus. Nat. Hist. N. Y., 

 1890, p. 305. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 104. Zool. Ser. Id. Mamm. Middle Amer. & W. In- 

 dies, F. C. M. Pub., IV, Pt. I, 1904, p. 154. Zool. Ser. Id. 

 Check-L. Mamm. N. Amer. Cont. & W. Indies, F. C. M. Pub., 

 VI, 1905, p 118. Zool. Ser. 

 Arizona Prairie-dog. 



1. Adult 9 Exch. Northern part of State of Sonora, Mexico. 



Am. Mus. Nat. Hist. N. Y. E. Robinette. 



2. Adult — Exch. San Diego, State of Chihuahua, Mexico. Am. 



Mus. Nat. Hist. N. Y. E. Robinette. 



3. Adult cJ' P. Huachuca Mountains, Arizona. Price & Condit. 



4. Adult rj' P. San Francisco Mountains, Arizona. F. Stephens. 



306. Cynomys gunnisoni (Baird) . 



Spermophiliis guiinisoni Baird, Proc. Acad. Nat. Scien. Phil., 



1855, p. 334- 

 Cynomys gnnnisoni Elliot, Sjm. N. Am. Mamm., F. C. M. Pub., 



