54 PEROGNATHUS. 



Perognathus fallax pallidus Mcanis. 



Proc. Biol. Soc. Wanh., XIV, \k 1:55, August 9, 1901. 



61007. Skill and skull. Adult female. Mountain Spring, halfway 

 up the east slope of the Coast Range Mountains near the Mexican 

 boundary line, in San Diego County, California. May 16, 1894. 

 Collected by Dr. E. A. Mearns, U. S. A. Original number 3520. 

 International Boundary Commission. Catalogued November 17, 

 1S!M. 



Well-made t^kiu in gooil coiKiition; skull j)erl'ect, except aiiijjnlar proce-ssjes of 

 mandible slightly chipped. 



Perognathus longimembris panamintinus ]\Ierriam. 



Biological Survey collection. 

 Proc. Acad. Nat. Sci. Phila., 1894, p. 265, fig. 4, September 27, 1894. 

 = Perognathus panamintinus (Merriam). See Osgood, North Amer. Fauna, No. 

 18, p. 28, September 20, 1900. 



lilf ff- Skin and skull. Young adult male. Perognathus Flat, Emi- 

 grant (xap, Panamint Mountains, California. April 16,1891. Col- 

 lected by V. Bailey. Original number 2675. 

 Well-made skin in good condition; skull perfect. 



Cricetodipus parvus Peale. See page 289. 



Perognathus penecillatus Woodhouse. 



Proc. Acad. Nat. Sci. Phila., VI, p. 200. Presented at meeting of December 28, 

 J 852. 

 = Perognathus penicillatus Woodhouse. See Woodhouse, Rep. I'Lxped. Zuni and 

 Colorado Rivers, by Capt. L. Sitgreaves, p. 49, pi. 3, 1853. 



rrWr- Skin and skull. Adult male. San Frahcisco Mountain, Ari- 

 zona. (Probably a few miles to the northeast. See Osgood, North 

 Amer. Fauna, No. 18, p. 45, footnote, September 20, 1900.) 1S51. 

 Collected by Dr. S. W. Woodhouse on an expedition in command 

 of Capt. L. Sitgreaves, U. S. A. Skin catalogued April 10, 1857; 

 skull, June 4, 1898. 



Skin i'ormcily mounted, fairly well made up, but badly j)reserved. The hair 

 looks worn and bleached and there are a couple of bare spots on the specimen. 

 The tail has never been skinned out. Skull in fair condition; both zygomata 

 are injured, espe(;ially the left, and there are more or le.<s extensive openings in 

 the orl)ital walls. Ix)wer jaw i)erfec-t, except sotne chipping from the angular 

 processes. 



Type not designated by number. The original description speaks of a single 

 specimen, a male, from San Francisco Mountain, and by referring to Baird's 

 Mannuals of North America, p. 419, No. 2076 is seen to be this specimen. It 

 should ])e observed that the meiisurements given by Baird do not agree well 

 with those given ])y Dr. Woodhouse. 



