364 BULLETIN 17 8, UNITED STATES NATIONAL MUSEUM 



Family ERETHIZONTIDAE: American Porcupines 

 Genus ERETHIZON F. Cuvier 

 *Erethizon epixanthum couesi Mearns. 



Proc. U. S. Nat. Mus. 19 : 723, July 30, 1897. 



I^. Skin and skull: both femurs: left scapula and humerus. Not 

 6501 ' ' ^ 



quite adult. Fort Whipple, Yavapai County, Ariz. Collected by 

 Elliott Coues. Cataloged February 19, 1865. 

 Skin well preserved ; skull Grade B. 



*Erethizon epixanthum myops Merriam. 



Proc. Washington Acad. Sci. 2 : 27, Mar. 14, 1900. 

 59140. Skin and skull. Old adult female. Portage Bay, Alaska 

 Peninsula, Alaska. September 1893. Collected by C. H. Town- 

 send. 



Well-made skin in good condition, rather greasy ; skull Grade A. 



Family GEOMYIDAE: Pocket Gophers 

 Genus CRATOGEOMYS Merriam 



*Pseudostoma castanops Baird. 



Report Stansbury's Expedition to Great Salt Lake, p. 313, June 1852. 

 =Cratogeomys castanops (Baird). See Merriam, North Amer. Fauna 8: 159, 

 Jan. 31, 1895. 



r^^;^. Skin and skull. "Collected by Lieutenant Abert along the 

 3861 "^ ° 



prairie road to Bent's Fort," near the present town of Las Animas, 

 on the Arkansas River, Bent County, Colo. 1845. Cataloged 

 June 18, 1860. 



The specimen, formerly mounted, has been made over into a modern study 

 skin, but it is bleached and otherwise in very poor condition. SkuU Grade O. 



Type not designated by number, but Baird, in the Mammals of North 

 America, p. 385, says there was only one specimen collected by Abert at 

 the above locality. 



fCratogeomys castanops angusticeps Nelson and Goldman. 



Proc. Biol. Soc. Washington 47 : 139, June 13, 1934. 

 1^. Skin and skull. Adult male. Eagle Pass, Tex. November 



31908 



11, 1890. Collected by Clark P. Streator. Original number 434. 

 Well-made skin in good condition ; skull Grade B. 



fCratogeomys castanops consitus Nelson and Goldman. 

 Proc. Biol. Soc. Washington 47 : 140, June 13, 1934. 



