Distribution of mammals in Colorado Distribution of mammals in Colorado distributionofma31972arms Year: 1972 54 MONOGRAPH MUSEUM OF NATURAL HISTORY NO. 3 (by road) NE Silver Cliff, 6200 ft., 3 (KU); 22 6/10 mi. (by road) NE Silver Cliff, 6490 ft., 1 (KU); 22 3/10 mi. (by road) NE Silver Cliff, 6600 ft., 1 (KU); 20 6/10 mi. (by road) NE Silver Cliff, 6800 ft., 1 (KU). OTERO COUNTY: 3 mi. NW Higbee, 4300 ft., 1 (KU). HUERFANO COUNTY: 9 9/10 mi. NNW Aguilar, 1 (MVZ). MONTEZUMA COUNTY: Museum, Mesa Verde National Park, 1 (KU). BACA COUNTY: 14 mi. N, 4 mi. E Spring- field, 1 (KU). Family Talpidae
Distribution of mammals in Colorado Distribution of mammals in Colorado distributionofma31972arms Year: 1972 54 MONOGRAPH MUSEUM OF NATURAL HISTORY NO. 3 (by road) NE Silver Cliff, 6200 ft., 3 (KU); 22 6/10 mi. (by road) NE Silver Cliff, 6490 ft., 1 (KU); 22 3/10 mi. (by road) NE Silver Cliff, 6600 ft., 1 (KU); 20 6/10 mi. (by road) NE Silver Cliff, 6800 ft., 1 (KU). OTERO COUNTY: 3 mi. NW Higbee, 4300 ft., 1 (KU). HUERFANO COUNTY: 9 9/10 mi. NNW Aguilar, 1 (MVZ). MONTEZUMA COUNTY: Museum, Mesa Verde National Park, 1 (KU). BACA COUNTY: 14 mi. N, 4 mi. E Spring- field, 1 (KU). Family Talpidae—Moles Scalopus aquaticus Eastern Mole The eastern mole occurs in northeastern Colorado in friable soils of valleys of major rivers. Recently the species has been discov- ered to occur along the Cimarron River in the extreme southeastern part of the state (Vaughan, 1961a). Moles in eastern Colorado are closely restricted to sandhills and flood- plains where soil moisture is relatively high and stable. To my knowledge, no study has been made of the economic importance of Scalopus aquaticus in Colorado, and little is known of the biology of the species at the western margin of its range. Scalopus aquaticus caryi Jackson Scalopus aquaticus caryi Jackson, Proc. Biol. Soc. Washington, 27:20, 2 February 1914; type locality, Neligh, Antelope Co., Nebraska. Distribution in Colorado.—Valleys of South Platte, Republican and Arikaree rivers, northeastern part of state (Fig. 16). Comparison.—From S. a. intermedius, the subspecies of southeastern Colorado, S. a. caryi differs in paler (more silvery, less brown- ish) color of upper parts, less ochraceous snout and wrists, and generally smaller size both externally and cranially. Measurements.—Average (and extreme) external measurementes of four males, fol- lowed by those of four females, all from Yuma County, are: (145-171), (140-155); (25-32), (20-29); (20-21), (18-22). Mean (and extreme) cranial meas
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