_Marginal records_.--British Columbia: Alta Lake (Anderson, 1947:95); Hope, Lake House (A. H. Howell, 1924:33). Washington: _Whatcom Pass_ (Dalquest, 1948:380); Stevens Pass (A. H. Howell, 1924:33); _Cowlitz Pass_ (Dalquest, 1948:380). Oregon: Mt. Hood (A. H. Howell, 1924:33); Crater Lake (_ibid._); Mt. McLoughlin (V. Bailey, 1936:116); Diamond Lake (A. H. Howell, 1924:33). Washington: Tumtum Mtn. (Dalquest, 1948:380); Mt. Index (A. H. Howell, 1924:33). British Columbia: Chilliwack (ibid.); Vancouver (_ibid._). [Illustration: FIG. 5. Distribution of _Ochotona collaris_ and _Ochotona princeps_. 1. _O. collaris_ 2. _O. p. princeps_ 3. _O. p. lutescens_ 4. _O. p. septentrionalis_ 5. _O. p. brooksi_ 6. _O. p. cuppes_ 7. _O. p. brunnescens_ 8. _O. p. fenisex_ 9. _O. p. fumosa_ 10. _O. p. jewetti_ 11. _O. p. taylori_ 12. _O. p. schisticeps_ 13. _O. p. muiri_ 14. _O. p. albatus_ 15. _O. p. sheltoni_ 16. _O. p. tutelata_ 17. _O. p. nevadensis_ 18. _O. p. uinta_ 19. _O. p. moorei_ 20. _O. p. cinnamomea_ 21. _O. p. fuscipes_ 22. _O. p. utahensis_ 23. _O. p. howelli_ 24. _O. p. lemhi_ 25. _O. p. goldmani_ 26. _O. p. clamosa_ 27. _O. p. ventorum_ 28. _O. p. levis_ 29. _O. p. figginsi_ 30. _O. p. saxatilis_ 31. _O. p. nigrescens_ 32. _O. p. incana_ ] OCHOTONA PRINCEPS CINNAMOMEA J. A. Allen. 1905. _Ochotona cinnamomea_ J. A. Allen, Mus. Brooklyn Inst. Arts and Sci., Sci. Bull., 1:121, March 31, type from 11,000 ft., Briggs [=Britts] Meadows, Beaver Range, Beaver County, Utah (5 mi. by road W Puffer Lake, according to Hardy, Jour. Mamm., 26:432, February 12, 1946). Known from type locality only. 1934. _Ochotona princeps cinnamomea_, Hall, Proc. Biol. Soc. Washington, 47:103, June 13. OCHOTONA PRINCEPS CLAMOSA Hall and Bowlus. 1938. _Ochotona princeps clamosa_ Hall and Bowlus, Univ. California Publ. Zool., 42:335, October 12, type from 8400 ft., north rim Copenhagen Basin, Bear Lake County, Idaho. _Marginal records._--Idaho: type locality; _Deep Lake, Bear River Mts._ (Hall and Bowlus, 1938:336) _2 mi. E Strawberry Creek Ranger Station, Wasatch Mts._ (Davis, 1939:352). OCHOTONA PRINCEPS CUPPES Bangs. 1899. _Ochotona cuppes_ Bangs, Proc. New England Zool. Club, 1:40, June 5, type from 4000 ft., Monashee Divide, Gold Range, British Columbia. 1924. _Ochotona princeps cuppes_, A. H. Howell, N. Amer. Fauna, 47:27, September 23. _Marginal records._--British Columbia: Glacier (A. H. Howell, 1924:28); Nelson (Anderson, 1947:95). Idaho: Cabinet Mts. (Davis, 1939:348). Washington: Sullivan Lake (A. H. Howell, 1924:28). British Columbia: Rossland (_ibid._); type locality. OCHOTONA PRINCEPS FENISEX Osgood.