CHIRODERMA., PYGODERMA, 
~] 
to 
Fig. CXXXI. CHIRODERMA SALVINI. 
No, 17900 Acad, Nat, Sci, Phil, Coll. 
16.51; foot, 10; ear, 17.7; tragus, 6.8. Skull: occipito-nasal length, 
23; zygomatic width, 16; mastoid breadth, 12; palatal length, 9.5; 
width of palate between last molars, 5; length of mandible, 18. 
168.) Pygoderma. 
Pygoderma Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1863, p. 
83, and 1865, p. 357. Type *Pivllostoma bilabiatum Wagner. 
Muzzle short, obtuse; facial part of skull elevated anteriorly; 
upper incisors straight, conical, the central pair unicuspidate, trian- 
gular, with small basal projection externally on cingulum; outer 
incisors very small, level with the gums; crowns flat, occupying space 
between middle incisors and canines; lower incisors grooved, placed in 
line between canines; posterior lower molar one-third the size of first 
molar; ears and nose-leaf similar to those of Artibeus. A ridge from 
angle of mouth backward, naked. 
072. bilabiatum (P/yllostoma), Wagn., in Weigm., Archiv. f. Naturg., 
Ix,. 1843, bdi 2; 9.3966. 
:, ; moet a 
leucomus (Arctibeus!) Gray, Proc. Zodl. Soc., 1848, p. 57. 
microdon Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1863, 
p. $3. 
*Under this genus Peters 1. c. gives three species, P. dbilabiaium, Wagner, 
Artibeus leucomus Gray, and Pygoderma microdon Peters, in the order named. 
It the species first given is to be selected, drlabratwm is the type. Palmer gives 
the last named, mrcrodon, as the type. (Ind. Gen, Mamm., 1904, p. 509.) 
