. Revisions of the North American bats of the family Vespertilionid[a]e [microform]. Bats; Chauves-souris. 92 NORTH AMERICAN ^k^^hM^ Typical I'ipixtrrlhis snhflanis presents a, wide range of individual variation in color. This is due to the extent of tlie terminal dark bands on the hairs of the back, and also to the exact shade of the yeUowish subterniinal bands. The yellowest specimens that I have seen were taken at Washinfjton, D. C, dnring May and June. Skull.—The skull of Pipistrelhis snhfariis (fijfs. 21 a and 22 h) is larjrer tiian that of 7*. hcsjx'rus. That of an adult male fro
. Revisions of the North American bats of the family Vespertilionid[a]e [microform]. Bats; Chauves-souris. 92 NORTH AMERICAN ^k^^hM^ Typical I'ipixtrrlhis snhflanis presents a, wide range of individual variation in color. This is due to the extent of tlie terminal dark bands on the hairs of the back, and also to the exact shade of the yeUowish subterniinal bands. The yellowest specimens that I have seen were taken at Washinfjton, D. C, dnring May and June. Skull.—The skull of Pipistrelhis snhfariis (fijfs. 21 a and 22 h) is larjrer tiian that of 7*. hcsjx'rus. That of an adult male from Washington, 1). C, measures mm. in occipito nasal length, «rrw^,w,,, tccth of Pipistvcllm ,suhfiavu8 (fig. 2.'} h) are larger than those of /*. hesperus but essen- tially similar in form. The anterior np])er juemolar is large (about the size of the larger upper incisor) and generally fully in the tooth row. MeosurcmentN.—See table, page 957. Specinnns eramined.—Total number, 21.'i, from the following local- ities : Alnhama: (iro«iis1>oro, 2. District of Columbia: Washington. 17 (11 skins). Indian Territory : Stiiwell, Hi. Lonisiana: Mer Konu:e. 10; ilonuiu, 2 (skins). Maryland: Marshall Hall, 5 (skins); St. (ioorjj'is Island. 2 (skins). Mississijipi: Washing- ton, S. Missouri: Marldi! Cavo, fetono County, 70. Now York: Sing Sing, S3. Morth (Carolina: Ralt>i<rh, 7 (skins); liortio Connty, 2 (skins). Pennsylvania: Carlisle, 7 (I skin). Teunessi*: Hitknian County, l(8kin): Arlington, .3; l$igSandy, 10; Danville, 4. Texas: C'ear Creek, Galveston County, 1; Hrownsville, 1. Virginia: Cedarvillo, G (skins. Miller eoll.); Frederiekshnrg,6 (skins); Hamp- shire County, 1 (skin); Wytheville. 2. Ocnenil remarks.—The Georgian bat, PipintrelluH suhflavus, is so readily distinguished among the species of the region ii inhabits that detailed comparisons are scarcely necessary. Its dental formula, small size, relatively large thumb, distinctly tricolor
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