URODERMA. DERMANURA. 699 
of antitragus, 9; greatest width of ear, 8; greatest length of skull, 
23.4; zygomatic width of skull, 13; front of incisors to posterior edge 
of palate, 11.4; length of palate, posterior to last molars, 2.6; front 
of upper canine alveolus to posterior edge of last upper molar, 8; 
greatest width between outer surface of upper molars at alveoli, 9.6; 
greatest length of mandible, 15; front of lower canine at alveolus to 
posterior edge of last molar, 8.4.’ (Lyon, 1.c. ex Type.) 
162. Dermanura. 
Te ee PP i 26 
2—2’ I—1’ 2—2’ 
Dermanura Gervais, Expéd. Comte de Castelnau, Amér. Sud. 
Mamm., Zool., 1855, p. 36. Type Dermanura cinereum Ger- 
vais. 
Molars similar to those of Artibeus, but only four pairs; inter- 
femoral membrane emarginate; other characters as in Artibeus. 
REY TO THE-SrECIES. 
PAGE 
A. Size small, uniform light yellowish brown....... D. pheotis 699 
B. Size large, black tinged withashy.............. D.cinereum 699 
660. phzotis (Dermanura), Miller, Proc. Acad. Nat. Scien. Phila., 
1902, p. 405. 
DARK-EARED Bat. 
Type locality. Chichen Itza, Yucatan. 
Genl. Char. Smaller than D. cinereum and paler; palate with 
two rows of small foramina. 
Color. Uniform light yellowish brown, washed with broccoli 
brown; ears dark brown without white edging; four facial whitish 
stripes. 
Measurements. Forearm, 37; thumb, 9.6; second finger, 31; 
third finger, 78; fourth finger, 62; fifth finger, 57; tibia, 14; foot, 
9g. Skull: greatest length, 19; zygomatic breadth, 11.6; mastoid 
breadth, 10. 
661. cinereum (Dermanura), Gerv., Expéd. Castlenau, Amér. Sud. 
Mamm., Zo6l., 1855, p. 36, pl. viil, fig. 4; pl. 1x, figs. 4 and 
4a; pi. x1, fg. 7. 
tolteca (Stenoderma), Sauss., Rev. Mag. Zoél., 2me Sér., x11, 1860, 
p. 429, pi. RV; Bg, 4. 
