. Fig. 109. Distribution of Felis concolor hippo- lestes in Colorado. For explanation of symbols, see p. 9. darker in color than kaibabensis and the dark area of the mid-dorsum is more clearly defined (see Goldman, 1946: 209). Measurements.—External measurements of a male from Grand County are: 2105, 803, 292, 105. Additional measurements are pre- sented by Merriam (1901) and by Goldman (1946:210). Cranial measurements of two males from Moffat County, a male from San Miguel County, a female from Garfield County, and a female from Mesa County are, respectively: condylobasal length (measured wit


. Fig. 109. Distribution of Felis concolor hippo- lestes in Colorado. For explanation of symbols, see p. 9. darker in color than kaibabensis and the dark area of the mid-dorsum is more clearly defined (see Goldman, 1946: 209). Measurements.—External measurements of a male from Grand County are: 2105, 803, 292, 105. Additional measurements are pre- sented by Merriam (1901) and by Goldman (1946:210). Cranial measurements of two males from Moffat County, a male from San Miguel County, a female from Garfield County, and a female from Mesa County are, respectively: condylobasal length (measured with metric ruler), 202, 187, 189, 168, 164; zygomatic breadth, , , , , ; interorbital constriction, , , , , ; postorbital constriction, , , , , ; mastoid breadth, , , , , ; length of nasals, , , , , ; length of maxillary toothrow, , , , , For additional cra- nial measurements, see Merriam (loc. cit.) or Goldman (loc. cit.). Remarks.—The only specimens seen by me from the plains of eastern Colorado are two sets of mandibles, both labelled "30 mi N Sterling," and catalogued together as KU 2789. The locality is in the rough terrain marking the boundary between the Colorado Piedmont and the High Plains. The material was "picked up" by H. T. Martin in 1911. Both sets of mandibles are considerably weathered, and one is apparently rodent-chewed and lightly encrusted with lichen. Both specimens obviously are of Recent age. Alveolar lengths of mandibular toothrow of these individuals are: , A number of specimens in the University of Colorado Museum and reported by Gold- man (1946:211) are labelled with the home- town of the collector rather than with the locality of collection. The skulls were donated to the Museum by the Denver Post, and were voucher specimens in a "contest" conducted in 1937 and 1938 to find the largest


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