. Fig. 35. Distribution of Sylvilagus audubonii in Colorado. 1. S. a. baileyi. 2. S. a. warreni. For explanation of symbols, see p. 9. Sylvilagus audubonii baileyi (Merriam) Lepus baileyi Merriam, Proc. Biol. Soc. Washing- ton, 11:148, 9 June 1897; type locality, Spring Creek, E side Bighorn Basin, Washakie Co., Wyoming (fide Long, 1965:544). Sylvilagus audubonii baileyi, Lantz, Trans. Kansas Acad. Sci., 22:336, 1908. Distribution in Colorado.—Semiarid plains of eastern two-fifths of state; northwestern Colorado, north of Roan Plateau (Fig. 35). Comparisons. — From S. a. warreni, the subspecie
. Fig. 35. Distribution of Sylvilagus audubonii in Colorado. 1. S. a. baileyi. 2. S. a. warreni. For explanation of symbols, see p. 9. Sylvilagus audubonii baileyi (Merriam) Lepus baileyi Merriam, Proc. Biol. Soc. Washing- ton, 11:148, 9 June 1897; type locality, Spring Creek, E side Bighorn Basin, Washakie Co., Wyoming (fide Long, 1965:544). Sylvilagus audubonii baileyi, Lantz, Trans. Kansas Acad. Sci., 22:336, 1908. Distribution in Colorado.—Semiarid plains of eastern two-fifths of state; northwestern Colorado, north of Roan Plateau (Fig. 35). Comparisons. — From S. a. warreni, the subspecies of southwestern Colorado, S. a. baileyi differs in generally paler color, less pronouncedly reddish nape, and less well- defined gray patch on rump. From S. a. neo- mexicanus, the subspecies of northern New Mexico, S. a. baileyi differs in markedly paler, more buffy color, without prominent rusty wash on dorsum, sides, and feet. Measurements.—External measurements of two males, followed by mean (and extreme) external measurements of nine females, from Larimer County, are: 431, 448, (392- 438); 44, 46, (35-56); 86, 98, (83- 100); 65, 75, (59-88); weight, 1124, 985, (609-1139). Mean (and extreme) ex- ternal measurements of five males, followed by measurements of a female, all from Raca County (intergrades with neomexicanus), are: (390-410), 403; (38-65), 41; (86-96), 94; (56-63), 58 (dry). Se- lected cranial measurements are presented in table 6.
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