. Fig. 17. Distribution of Myotis lucifugus caris- sima in Colorado. For explanation of symbols, see p. 9. Comparison. — From M. I. occultus, the subspecies geographically adjacent to the south in New Mexico, M. I. carissima differs in smaller cranial size, smaller teeth, in typi- cally having two small upper premolars on each side (rather than one), and in pale to dark brown rather than reddish brown color. For detailed comparisons, see Findley and Jones (1967) and Barbour and Davis (1970). Measurements. — Average (and extreme) external measurements of 14 females from Lake County, 10 females
. Fig. 17. Distribution of Myotis lucifugus caris- sima in Colorado. For explanation of symbols, see p. 9. Comparison. — From M. I. occultus, the subspecies geographically adjacent to the south in New Mexico, M. I. carissima differs in smaller cranial size, smaller teeth, in typi- cally having two small upper premolars on each side (rather than one), and in pale to dark brown rather than reddish brown color. For detailed comparisons, see Findley and Jones (1967) and Barbour and Davis (1970). Measurements. — Average (and extreme) external measurements of 14 females from Lake County, 10 females from Alamosa County, and 17 females from Conejos County are, respectively: (89-102), (94- 100), (93-100); (37-44), (37- 45), (36-45); (10-11), (10-11), (10-12); (14-16), (15-16), (14-16); (), (), (). For cranial measurements, see table 3. Additional measurements and statistical analy- ses are presented by Findley and Jones (1967). Remarks.—Specimens of a large, pale kind of Myotis from northwestern Colorado were named as M. lucifugus phasma by Miller and Allen (1928:53). Following the suggestion of Harris and Findley (1962), this population is herein considered to represent M. yumanensis. For additional remarks, see the account of the latter species. Findley and Jones (1967) studied the re-
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