RODENTIA: CRICETIDAE 617 



Ondatra zibethicus osoyoosensis (Lord) * 



1863. Fiber osoyoosensis Lord, Proc. Zool. Soc. London, 1863, pt. 2, p. 97, 

 October 1863. 



1910. F[iber] z[ibethicus] osoyoosensis Hollister, Proc. Biol. Soc. Washing- 

 ton, vol. 23, p. 1, Feb. 2, 1910. 



1912. Ondatra zibethica osoyoosensis Miller, U. S. Nat. Mus. Bull. 79, p. 231, 

 Dec. 31, 1912. 



Type Locality. — Lake Osoyoos, on British Columbia-Washington boundary at 

 head of Okanagan River, British Columbia, Canada. Range. — From southern 

 British Columbia southward through Washington except southwestern part (Dal- 

 quest, Univ. Kansas Publ. Mus. Nat. Hist., vol. 2, p. 363, Apr. 9, 1948) to 

 Columbia, Snake, Deschutes, John Day, Malheur, and Owyhee drainages and 

 isolated Malheur Lake Basin in Oregon (V. Bailey, North Amer. Fauna No. 55 

 (June), p. 215, Aug. 29, 1936) ; southward through Idaho to streams draining 

 into Snake River in northern Elko County, Nevada (Hall, Mammals of Nevada, 

 p. 566, July 1, 1946) ; and southward in Rocky Mountains through western 

 Montana, Wyoming, and Colorado (Warren, The mammals of Colorado, . . ., 

 p. 234, 1942) to San Juan and Rio Grande Valleys in northern New Mexico 

 (V. Bailey, North Amer. Fauna No. 53 (December 1931), p. 207, Mar. 1, 1932) ; 

 westward into San Juan County, Utah (Hall, Univ. California Publ. Zool., 

 vol. 37, No. 1, p. 6, Apr. 10, 1931). Recorded also from northern and central 

 Utah (Durrant, Univ. Kansas Publ. Mus. Nat. Hist., vol. 6, p. 356, Aug. 10, 

 1952). 



Ondatra zibethicus occipitalis (Elliot) * 



1903. Fiber occipitalis Elliot, Field Columb. Mus. Publ. 74, Zool. Ser., vol. 3, 

 No. 10 (April), p. 162, May 2, 1903. 



1912. Ondatra zibethica occipitalis Miller, U. S. Nat. Mus. Bull. 79, p. 231, 

 Dec. 31, 1912. 



Type Locality. — Florence, Lane County, Oreg. Range. — Southwestern cor- 

 ner of Washington, extending north to Aberdeen and east to Cathlamet (Dalquest, 

 Univ. Kansas Publ. Mus. Nat. Hist., vol. 2, p. 363, Apr. 9, 1948) ; Willamette 

 Valley and limited section of coast from Florence to Coquille, Oreg. (V. Bailey, 

 North Amer. Fauna No. 55 (June) , p. 218, Aug. 29, 1936) . 



Ondatra zibethicus mergens (Hollister) f * 



1910. Fiber zibethicus mergens Hollister, Proc. Biol. Soc. Washington, vol. 23, 

 p. 1, Feb. 2, 1910. 



1912. Ondatra zibethica mergens Miller, U. S. Nat. Mus. Bull. 79, p. 231, Dec. 

 31, 1912. 



Type Locality. — Fallon, Churchill County, Nev. Range. — Drainages of Smoke 

 Creek, and Truckee, Carson, Walker, Humboldt, and Reese Rivers in northern 

 half of Nevada (Hall, Mammals of Nevada, p. 567, July 1, 1946) ; and larger 

 streams and fresh-water lakes, tributary to Great Basin, along extreme eastern 

 border of California; recorded from Eagle Lake, Willow Creek, Susan River, 

 Honey Lake, and Secret Valley, in Lassen County; Truckee River, a little below 

 Tahoe City, Placer County; Rowlands Marsh, Lake Tahoe, El Dorado County; 

 West Fork of the Carson River, near Woodfords, Alpine County; West Walker 

 River, near Topaz, Mono County; vertical range, from 4,000 feet on Susan River 



