120 FEKOMYSCUS. 



Peromyscus sonoriensis blandus Osgood. Biological Survey coll. 



I'roc. Hiol. S(.c. Wasli., XVII, p. nti, March 21, 1904. 



57635. Skill uiul skull. Adult female. Escalon, Chihuahua, Mexico. 

 November 27, 1893. Collected by E. A. Goldman. Original num- 

 ber 1()6. 



Well-made skin in <jo(nl coiulitioii: tjkull perfect. 



Hesperomys boylii Hsiird. 



Prof. Acail. Nat. Sci., I'liila., VII, j). ;'>:S5, this paper was reported favorably 

 for publii'ation Ai)ril -4, 1855. 

 =Peromyscus boylii (Baird). See Mearn.s, Preliminary Diagnos^es of New Mam- 

 mals from the Mexican Border of the United States, p. 3, May 25, 189(i. 

 (Reprinted in Proc. U. S. Nat. Mus., XIX, No. 1130, p. 139, December 21, 

 1896.) 



^^S%- Mounted skin, and skull and tail vertebrso. Along- the middle 

 fork of the American River, between Placer and Eldorado coun- 

 ties, California. Collected by Dr. C. C. Hoylc. Skin catalogued 

 January 4, 1855; skull, December 20, 1854. 



Skin mounted and in wretched <-ondition; skull complete except for the right 

 malar and most of the left zygomatic arch. 



Type not designated by number. It is referred to in the original description 

 as "collected on the middle fork of the American River, California, by Dr. C. 0. 

 Boyle." In the list of specimens of //(W;><;'om//s hoiilii in Raird's Mannnals, No. 

 1^2-;% is the only one with the above data and is consequently to bo taken as tiie 

 type. 



Peromyscus bullatus Osgood. Biologii-ai Survey collection. 



Proc. Hiol. Soc. Wash., XVII, p. (53, March 21, 1904. 



54:4:()5. Skin and skull. Adult female. Perotc. Vera Cruz, Mexico. 

 June 3, 1SJ>3. Collected by E. W. Nelson and E. A. Goldman. 

 Original immbcr 4i»82. 



Wcll-niadt' skin in good condition: skull perfect. 



Hesperomys campestris Le Conte. 



Proc. .Vciid. Nat. Sci. Phila., VI, p. 413, this paper was reported favorably for 

 publication October 25, 1853. 

 = Peromyscus leucopus noveboracensis (Fischer). 



172(). Skin (no hi.story of askull). Inmiature. New Jersey. Major 

 J. E. Le Conte, U.' S. A. Catalogued April 13, 18<n. 



Skin in wretched shape and condition. Le Conte's original specimens were 

 in alcohol, and the specimen is evidently an attempt at making a skin from one 

 of them. Large areas of hair have slipped from the back and bj:'lly. 



Type not designated by number. Cones is the only authority for considering 

 it the type. On jiage 51 of Monographs of North American Rodentia he refers 

 to it as the tyjK', and again on page (52. In addition, the specimen is entered in 

 the Museum catalogue as " IleKprrDini/.t caniin'tttris" and as coming from Ia^ 

 Conte April 13, 1861. One of the old labels on tlie specimen has w ritten on the 

 back, " Type of the species as described Pr. A. N. S., VI, 1853, 413." 



