112 PTEROPIDE. 
each eye white; the hair on the upper side of the upper arm 
greyish white ; ears prominent, bald, with two impressed longitudinal 
grooves. 
Pteropus Wallacei, Gray, P. Z. S. 1866, fig. of head. 
Hab. Macassar, Wallace, 1857. 
A small species ; but the specimen is very young. 
Fig. 21. 
A, P, Wallacei. 3, P. personatus, 
3. EUNYCTERIS. 
Wings attached to the middle of the back, bald behind, except a 
narrow streak down the middle of the back, which is covered with 
soft adpressed hairs, falling off in the older animals. Shoulders, arms, 
and legs and toes bald. Index finger clawed. Thumb, lower 
joint short, enclosed; upper joint very long, free. Interfemoral hairy 
above, narrow. Tail none. Cutting-teeth 4, in a regular series. 
Grinders 3. False grinders 2; lower distinct. 
