8 GUIDE TO THE FOSSIL REPTILES, AMPHIBIANS, FISHES. 
Wall-case j 
2 . 
Table-cases 
_ if 1-4. 
CD. 
principal muscles which raised them upwards had their 
origin in the crest at the back of the head. Three diminu¬ 
tive fingers with conspicuous claws occur as mere splints 
grafted on the basal piece of each wing-finger. The hind 
legs are shown to be quite weak, and could scarcely have sup- 
Fig. 4.—Skeleton of a short-tailed Flying Reptile (Pterodactylus sjoectabilis), 
from the Upper Jurassic (Lithographic Stone) oLEichstatt, Bavaria ; 
nat. size. a. pubic bone. (Table-case 1.) 
ported the whole weight of the animal when at rest or moving 
on the ground. The remains of Pteranodon in Table-case 4 
exhibit the hind legs in association with the wings and 
the nearly complete breast-bone. All the specimens from the 
Kansas Chalk are flattened in the rock and broken by pres¬ 
sure ; but a few bones of similar gigantic Pterodactyls from 
