1J8 HAPLODONTIA. CASTOR. 



Haplodontia olympica Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 114. Zool. Ser. 

 Olympic Mountains Sewellel. Farmer. 



Type locality. Queniult Lake, Chehalis County, Olympic Moun- 

 tains, Washington. 



Geogr. Distr. Olympic Mountains, Washington. Range unde- 

 termined. 



Family III. Cai^toridse. Beavers. 



Genus 57. Castor. 



Castor Linn., Syst. Nat., i, 1758, p. 58; i, 1766, p. 78. Type Cantor 

 fiber Linnaeus. 



249. Castor canadensis Kuhl. 



Castor canadensis Kuhl, Beit. Zool., 1820, p. 64. Elliot, Syn. N. 

 Am. Mamm., F. C. M. Pub., 11, 1901, p. 116, fig. 27. Zool. Ser. 

 Canada Beaver. 



Type locality. Hudson Bay. 



Geogr. Distr. Northeastern North America from northern limit 

 of trees to United States, and west to Cascade Mountains. 



a. Castor canadensis carolinensis Rhoads. 



Castor canadensis carolinensis Rhoads, Trans. Am. Philos. Soc, 

 1898, p. 420. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 116. Zool. Ser. 

 Carolina Beaver. 



Type locality. Dan River, near Danbury, Stokes County, North 

 Carolina. 



Geogr. Distr. North Carolina west to Louisiana. 



h. Castor canadensis frondator Meams. 



Castor canadensis frondator Mearns, Proc. U. S. Nat. Mus., 1897, 



p. 502. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 



p. 116. Zool. Ser. Id. Mamm. Middle Amer. & W. Indies, F. 



C. M. Pub., IV, Pt. I, 1904, p. 159, figs. 30, XXXIV. Zool. Ser. 



SoNORAN Beaver. 



Type locality. San Pedro River, State of Sonora, Mexico, near 

 monument No. 98 of the Mexican boundary line. 



Geogr. Distr. From State of Sonora, Mexico, to Wyoming and 

 Montana, intergrading into the other forms wherever the limits of 

 their dispersion meet. 



