Identifier: smithsonianmisce691921smit Title: Smithsonian miscellaneous collections Year: 1862 (1860s) Authors: Smithsonian Institution Subjects: Science Publisher: Washington : Smithsonian Institution Contributing Library: Smithsonian Libraries Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image: lowish brown color and small size sufficiently distinguish theIsthmian representative. The skull more nearly resembles that ofEptesicus in form, but the single pair of upper incisors and otherdetails are distinctive. The teeth are 30 in number. RHOGEESSA TUMIDA H. Allen Little Yellow Bat Rhogeessa tumida H. Allen, Proc. Acad. Nat. Sci. Philadelphia, 1866, p. 286.Type from Mirador, Vera Cruz, Mexico. The small size, slender form, tiny foot, and naked interfemoralmembrane together with rich yellowish brown color characterize thisspecies, one of the smallest bats occurring in Panama. The forearmmeasures about 31.5 millimeters. 2l8 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 69 A few of these bats Avcre found clinging from the rafters in thehalf dark attic of an old house at San Pablo, April 21, 1911. Acorner of the same attic was inhabited by Eptcsicus propinquus.Henry Pittier took a specimen of Rhogccssa tumida at La Palma deDarien in January, 1912. Bangs (1902, p. 50) records a specimen

Text Appearing After Image: Fig. 22.—Rhogeessa tumida.No. 52065, U. S. Nat. Mus. About nat. size. collected by W. W. Brown, Jr., at Bugaba, which was rather doubt-fully referred to this species by G. S. Miller, Jr. Specimens examined: Bugaba, 1 1; La Palma de Darien, 1 ; SanPablo, 3. Family MOLOSSIDAE The family Molossidre includes large, medium and small bats withshort, thick, leathery ears, broader than high, and projecting farforward over the eyes. The short thick muzzle is not provided witha nose leaf, the legs are short and the long tail projects prominentlybeyond the posterior border of the short interfemoral membrane.The general pelage is short and velvety; very short hairs withthickened and more or less distinctly spoon-shaped tips are presenton the upper lip, and similarly modified hairs form a fringe along theunder and outer sides of the lateral digits of the foot; more con-spicuous but slender hairs with recurved tips project beyond theclaws. The wings are very narrow, and together with the peculiar

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