94 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



Peromyscus maniculatus oreas (Bangs) 



"Hesperomys austerus" (probably part), Cooper, Pac. R. R. 

 Expl. and Surv., 12, book 2, p. 23 (In western Washington 

 confined to prairies or their borders). 



[ ?] "Hesperomys aiistenis Baird" (probably part), Cooper, 

 Pac. R. R. Expl. and Snrv., 12, book 2, pp. 83-84 (One taken 

 August 11 [1853] on top of the Cascade Mountains). 



"Hesperomys hoylii Baird" (part), Cooper, Pac. R. R. Expl. 

 and Surv., 12, book 2, p. 84 (One specimen collected at Shoal- 

 water Bay, Washington Territory. 



"Hesperomys austerns?" (probably part), Cooper, Amer. 

 Nat., 3, 1869, p. 476 (Incidental reference to this species as 

 occurring in Washington Territory). 



Specimen examined. — One : No. 578/1701, U. S. Nat. Mus., 

 original label missing; according to other labels attached the 

 specimen is a female collected at Shoalwater Bay, Washington 

 Territory, by Dr. Cooper. 



Skin made over into modern museum specimen, but vertebrae 

 left in tail. In rather poor condition, right ear and fore leg 

 broken off, several patches of hair gone from back, tail loose; 

 skull could not be located in the National Museum collection 

 on February 6, 1918. 



Peromyscus truei gilberti (Allen) 



"H[esperomys'\ Calif ornicus" (part), Cooper, Zoology, in 

 Cronise, The Natural Wealth of California, 1868, p. 444 (A 

 general note covers all the Peromyscus). 



"H[esperomys] Boylii (part). Cooper, Zoology, in Cronise, 

 The Natural Wealth of California, 1868, p. 444 (A general 

 note covers all the Peromyscus) . 



Specimens examined. — Three : Nos. 5833, 5834, Univ. Calif. 

 Mus. Vert. Zool. ; No. 145278, U. S. Nat. Mus. No. 5833 : 

 original label missing; label attached reads "Hesperomys cali- 

 f ornicus (young), Santa Cruz, April." No. 5834 also lacks 

 the original label ; it is labelled "Hesperomys calif ornica Mon- 

 terey, Calif." No. 145278: obverse of label "494 Hesperomys 

 boylii Baird 6 Monterey Cal. Sept. 4 '61 J. G. C." ; reverse, 

 eleven measurements. 



