190 HAPLODONTIA. CASTOR. 



9. Adult 9 Coll. Boulder Lake, Olympic Mountains, Clallam 

 County, Washington. D. G. Elliot. 

 10. Adult cJ^ Coll. Johnson's Ranch, Elwah River, Clallam 

 County, Washington. D. G. Elliot. 



Family IV. Caxtoridje. Beaver?*. 



Genus 109. Castor. 

 Castor Linn., Syst. Nat., i, 175S, p. 58. Type Castor fiber Linnaeus. 



318. Castor canadensis Kuhl. 



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



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



Ser. Id. Check-L. Mamm. N. Amer. Cont. & W. Indies, F. C. 



M. Pub., VI, 1905, p. 128. Zool. Ser. 

 Canada Beaver. 



1. Adult — P. Canada. Ward's Nat. Scien. Establ., Roches- 

 ter, N. Y. 



2. Adult c? Coll. Iron County, Michigan. C. E. Akeley. 



3. Adult 9 Coll. Iron County, Michigan. C. E. Akeley. 

 4-6. Juv. — Coll. Iron County, Michigan. C. E. Akeley. 



((. Castor c(Ui(i(h'nsis fronddtoT Mearns. 



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

 p. 502. Elhot, 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. 

 Id. Check-L. Mamm. N. Amer. Cont. & W. Indies, F. C. M. 

 Pub., VI, 1905, p. 128. Zool. Ser. 

 Sonoran Beaver. 



1-4. Adult — Coll. Sabinas, State of Coahuila, Mexico. Heller 

 & Barber. 

 5. Juv. — Coll. Sabinas, State of Coahuila, Mexico. Heller & 

 Barber. 



Ik CKstor ('(iiKidfnsix /fi/ri p'cus Rhoads. 



Castor canadensis pacificus Rhoads, Trans. Am. Philos. Soc, 1898, 



p. 422. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, _ 

 p. 117. Zool. Ser. Id. Check-L. Mamm. N. Amer. Cont. & ■ 

 W. Indies, F. C. M. Pub., vi, 1905, p. 129. Zool. Ser. 

 Pacific Coast Beaver. 



I. Adult — P. Kenai Peninsula, Alaska. C. F. Periolat. 



