. The land and sea mammals of Middle America and the West Indies . Fig. 120. Declidurus albus. No. 7947 Coll. .Am. Mus. Nat. N. twice nat. size. Incisors enlarged S times. DECLIDURUS. 6ir, excavation between eyes; eyes large; thumb short, the claw rudi-mentary and nearly contained in wing membrane; tail in a foldbeneath interfemoral membrane, its apex perforating a pouch incenter of the memljrane and appearing on upper surface; upperincisors separated from canines; first upper premolar very small. KKY TO THK SPECIES. page A. Upper incisors with a second external cusp D. albus 61
. The land and sea mammals of Middle America and the West Indies . Fig. 120. Declidurus albus. No. 7947 Coll. .Am. Mus. Nat. N. twice nat. size. Incisors enlarged S times. DECLIDURUS. 6ir, excavation between eyes; eyes large; thumb short, the claw rudi-mentary and nearly contained in wing membrane; tail in a foldbeneath interfemoral membrane, its apex perforating a pouch incenter of the memljrane and appearing on upper surface; upperincisors separated from canines; first upper premolar very small. KKY TO THK SPECIES. page A. Upper incisors with a second external cusp D. albus 615 B. Upper incisors without second external cusp IJ. virgo 615. Fig. XCVII. Declidurus albus. ex Dobson, Cat. Cliiroptura. 575 albus {Declidurus), Weid, Isis, 1819, p. 1630. Wied, Abbild. zur. Naturg. Bras., pi. : Bat. Type locality. Mouth of Rio Pardo, east coast of Brazil. Gcof^r. Distr. Costa Rica, south to Brazil. Gcnl. Char. Ears shorter than head, rounded; outer margin ofear conch straight, ending below the eye; tragus broad, short; upjjerincisors slender, acute, with a second external cusp; lower incisorstrilid, central ])air separated; first upper jjremolar very small; firstlower premolar smaller than second; wings from ankles; claws on feetcurved. Color. General hue creamy white; hairs darker at base. Measurements. Total length, ; tail, ; forearm, ;thumb, ; third finger, metacarpal, ; fourth finger, metacarpal,; fifth finger, metacarpal, ; tibia, 19; foot, Skull:occipito-nasal length, ; zygomatic width, 12; interorbital con-striction, 5; depth of occijmt, 7; width of l^raincase, 9
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmammals, bookyear1904
