NORTH AMERICAN RECENT MAMMALS. 299 



t*Castor canadensis frondator Mearns. 



1897. Castor canadensis frondator Mearns, Preliminary diagnoses 

 of new mammals of tlie genera Sciurus, Castor, Neotoma and 

 Sigmodon, from the Mexican border of the United States, p. 2. 

 March 5, 1897. (Reprint: Proc. U. S. Nat. Mus., vol. 20, p. 

 502. January 19, 1898.) 



Type Locality. — San Pedro River, Sonora, Mexico, near monu- 

 ment No. 98 of the Mexican boundary line. 



*Castor canadensis leucodonta Gray. 



1869. Castor canadensis leucodonta Gray, Ann. and Mag. Nat. 

 Hist., ser. 4, vol. 4, p. 293. October, 1869. 



1898. Castor canadensis yacificus Rhoads, Trans. Amer. Philos. 

 Soc.,n. s., vol. 19,p.422. September, 1898. (LakeKeechelus, 

 Cascade Mountains, Kittitas County, Washington.) 



1907. Castor canadensis leucodontus Osgood, Proc. Biol. Soc. 



Washington, vol. 20, p. 47. April 18, 1907. 

 Type Locality. — Vancouver Island, British Columbia, Canada. 



t* Castor canadensis mexicanus Bailey. 



1913. Castor canadensis mexicanus Bailey, Proc. Biol. Soc. 



Washington, vol. 26. p. 191. October 23, 1913. 

 Type Locality. — Ruidoso Creek, 6 miles below Ruidoso, 

 Lincoln County, New Mexico. 



t*Castor canadensis michiganensis Bailey. 



1913. Castor canadensis michiganensis Bailey, Proc. Biol. Soc. 



Washington, vol. 26, p. 192. October 23, 1913. 

 Type Locality.— Tahqu amen aw River (5 miles above falls). 

 Luce County, Michigan. 



t*Castor canadensis missouriensis Bailey. 



1919. Castor canadensis missouriensis Bailey, Journ. Mamm,, 

 vol. 1, p. 32. November 23, 1919. 



Type Locality. — Apple Creek, 7 miles east of Bismarck, Bur- 

 leigh County, North Dakota. 



*Castor canadensis phaeus Heller. 



1909. Castor canadensis pTiseus Heller, Univ. California Publ. 



Zool., vol. 5, p. 250. February 18, 1909. 

 Type Locality. — Pleasant Bay, Admiralty Island, Alaska. 



t*Castor canadensis texensis Bailey. 



1905. Castor canadensis texensis Bailey, North Amer. Fauna, 



No. 25, p. 122. October 24, 1905. 

 Type Locality.— Cummings Creek, Colorado County, Texas. 



