Marginal records.—In southeastern Washington: Ritzville (Taylor and Shaw, 1929:29); Lind (243344 USBS); Warden (Taylor and Shaw, 1929:29). In remainder of range: Montana: Bannack (Davis, 1937:27). Idaho: Trail Creek near Pocatello (Davis, 1939:366). Utah: 3 mi. NE Clarkson (Durrant, MS); W side Utah Lake (ibid.); 20 mi. W Parowan (ibid.); 10 mi. SW Cedar City (ibid.). Nevada: 8-1/2 mi. NE Sharp (Hall, 1946:618); Fallon (Schantz, 1947:187). California: Bodie (Severaid, 1950:2); 5000 ft., 3 mi. S Ravendale (Orr, 1940:194). Oregon: Silver Lake (Bailey, 1936:110, fig. 17, 206518 USBS); Fremont (ibid., 205005 USBS); Redmond (ibid., 242302 USBS); 10 mi. N Baker (Dice, 1926:27). Idaho: type locality; Junction (Davis, 1939:366).
Total length, 250-290; tail, 20-30; hind foot, 65-72; ear from notch (dry), 36-48; weight, 6 ♂ 409(375-435), 9 ♀ 398(246-458) grams. Upper parts pinkish to blackish or dark grayish depending on amount of wear. The pigmy rabbit lives in burrows, mostly dug by itself, preferably where tall sagebrush grows densely. This species feeds extensively on sagebrush, at least in winter. Six young seem to be the rule and they are born any time from late in May until early in August.
Subgenus SYLVILAGUS Gray—Cottontails and Allies
1867. Sylvilagus Gray, Ann. and Mag. Nat. Hist., 20 (ser. 3):221. Type, Lepus sylvaticus Bachman [= Lepus nuttalli mallurus Thomas].
1867. Tapeti Gray, Ann. and Mag. Nat. Hist., 20 (ser. 3):224, September. Type Lepus brasiliensis Linnaeus.
1897. Microlagus Trouessart, Catalogus Mammalium ..., p. 660. Type, Lepus cinerascens J. A. Allen.