338 PEROGNATHUS. 



7-12. Adult c? Coll. Alva, Oklahoma Territory. T. Surber. 

 13-16. Adult 9 Coll. Alva, Oklahoma Territory. T. Surber. 



17. Adult (^ Coll. White Horse Spring, Oklahoma Territory. 

 T. Surber. 



18. Adult 9 Coll. White Horse Spring, Oklahoma Territory. 

 T. Surber. 



19. Juv, (^ Coll. White Horse Spring, Oklahoma Territory. 

 T. Surber. 



20. Adult d* Coll. Amettville, Oklahoma Territory. T. Sur- 

 ber. 



21. Adult 9 Coll. Arnettville, Oklahoma Territory. T. Sur- 

 ber. 



574. Perognathus penicillatus Woodhouse. 



Perognathns penicillatus Woodh., Proc. Acad. Nat. Scien. Phil., 



1852, p. 200. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 



1901, p. 252. Zool. Ser. Id. Check-L. Mamm. N. Amer. 



Cont. & W. Indies, F. C. M. Pub., vi, 1905, p. 311. Zool. 



Ser. 

 Desert Pocket Mouse. 



1. Adult c? Exch, Walters, Colorado Desert, California. Am. 

 Mus. Nat. Hist. N. Y. F. Stephens. 



2. Adult rj* Exch. Gardner's Lagoon, Lower California, Mex- 

 ico. Am. Mus. Nat. Hist. N. Y. F. X. Holzner. 



3. Adult 9 Exch. Salt Creek, Colorado Desert, Cahfornia. 

 Am. Mus. Nat. Hist. N. Y. F. Stephens. 



4. Adult 9 Exch. Carriso Creek, Colorado Desert, California. 

 Am. Mus. Nat. Hist. N. Y. * F. Stephens. 



5-8. Adult d^ Coll. Palm Springs, California. E. Heller. 

 9-12. Adult cJ^ Coll. Whitewater, California. E. Heller. 

 13-14. Adult (S^ Coll. Morongo Pass, California. E. Heller. 

 15-16. Adult d* Coll. Oro Grande, California. E. Heller. 

 17-18. Adult 9 Coll. Oro Grande, California. E. Heller. 

 19. Adult d Coll. Daggett, Cahfornia. E. Heller. 



(I. Pero^naihns penicillatus an^ustiTosfj-is Osgood. 



Perognathus penicillatus angustirostris Osgood, N. Am. Faun., 

 No. 18, 1900, p. 47. Elhot, Syn. N. Am. Mamm., F. C. M. 

 Pub., n, 1901, p. 252. Zool. Ser. Id. Mamm. Middle Amer. 

 & W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 358. Zool, Ser. 

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

 .Pub., VI, 1905, p. 311. Zool. Ser. 

 Slender-nosed Pocket Mouse. 



I. Adult d P. Palmetto Springs, Cahfornia. F. Stephens. 



