. The families and genera of bats . Bats; Bats. 186 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. Characters.—Differs externally from its allies in the much shorter leg, proportionally about as long as in the small species of Myotis, and in the nearly unmodified ear, the anterior border of which arises directly above eye, the posterior border behind base of tragus, so that the peculiar funnel-like form characteristic of the other genera is scarcely indicated. Skull (fig. 28) differing from that of the allied genera in the low braincase and very large rostrum, the length of which, as in Ohilonata
. The families and genera of bats . Bats; Bats. 186 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. Characters.—Differs externally from its allies in the much shorter leg, proportionally about as long as in the small species of Myotis, and in the nearly unmodified ear, the anterior border of which arises directly above eye, the posterior border behind base of tragus, so that the peculiar funnel-like form characteristic of the other genera is scarcely indicated. Skull (fig. 28) differing from that of the allied genera in the low braincase and very large rostrum, the length of which, as in Ohilonatalus, is fully equal to that of braincase, the breadth of palate including third molars equal to that above posterior roots of zygomata. Maxillaries swollen, but much less than in Pho- dotes, not enough to conceal molars when skull is viewed from above. Teeth not essentially different from those of Natal its, but canine and anterior premolar both above and below greatly reduced in size, the canine scarcely higher than its corresponding large premolar, and the first upper premolar scarcely as large as outer' incisor. Lower premolars much less trenchant than in Natalus, the shafts almost terete, though retaining distinct traces of the cutting edges; pm, much reduced in size, its height scarcely half that of pm „. Species examined.—Nyctiellus lepidus (Gervais). Remarks.—As compared with other mem- bers of its subfamily, Nyctiellus is distinctly less specialized externally; but in the peculiar form of the skull and in the reduced size of the anterior, canine and premolar it repre- sents a more advanced stage than any of the related genera, both of these characters suggesting the members of the next family. Family FURIPTERID^E. 1831. (.Vespertilionidw) (part; Tespertilionina. part) Bona- parte, Saggio di una distrib. metodica degli Anim. Vert., p. 15. 1855. [ Vespertilionida;] " Vespertilionides" (part; Embatlonurina, part) Gervais, Exped. du Compte
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectbats, bookyear1907
