358 CALIFORXIA ACADEMY OF SCIENCES [Proc. 4th Se«. 



Type locality — San Bernardino Mountains, San Bernardino 

 County. California. 



Syiioityiiis — Sciuroptcnis califoniiciis; California Flying 

 Squirrel. 



Range — Transition zone on the San Bernardino and San 

 Jacinto mountains (Rhoads, supra cit.; Grinnell. Univ. Calif. 

 Publ. ZooL, 5, 1908, p. 138; Mus. Vert. Zool.). 



Family CASTORIDAE 



Castor subauratus Taylor 



Golden Beaver 



Original description — Castor subauratus Taylor, Univ. 

 Calif. Publ. Zool., 10, May 21, 1912, p. 167. 



Synonyms — Castor canadensis pacificus; Castor canadensis, 

 part. 



Type locality — San Joaquin River at Grayson, Stanislaus 

 County, California. 



Range — Larger streams of Sacramento and San Joaquin 

 basins, at least from Shasta County south to Stanislaus 

 County. 



Castor canadensis frondator Mearns 



Sonora Beaver 



Original description — Castor canadensis frondator Mearns, 

 Proc. U. S. Nat. Mus., 20, March 5, 1897, pp. 502. 503. 



Type locality — San Pedro River, near Mexican boundary, 

 Sonora, Mexico. 



Synony)n — Castor canadensis, part. 



Range — Along the Colorado River from the Nevada line 

 to the Mexican line. 



Order LAGOMORPHA 



Family OCHOTONIDAE 



Ochotona schisticeps (Merriam) 



Gray-hcadcd Cony 



Original description — Lagoiuys schisticeps Merriam, N. 

 Amer. Fauna, 2, October 30, 1889, p. 11. 



Type local it \ — Donner, Placer County, California. 



