LONG-EARED BAT. 87 



Inch. Line?. 

 Length from the mouth to the root of the 



tail, 1 9 



Length of tail, 1 9 



Greatest length of ear, I 6 



Extent of arms, 10 



Humerus, 11 



Cubitus, 1 4 



Second finger, 1 3 



Third finger, 2 6 



The skull is oblong, with a short obtuse muzzle ; 

 the lower jaw has a narrow process at the angle 

 directed obliquely backwards ; there is a large va- 

 cuity in the occipital bone behind the foramen mag- 

 num and continuous with it. The cervical vertebrae 

 seven, the posterior part of the five lower very nar- 

 row, without spinous processes ; the dorsal verte- 

 bras eleven ; the lumbar seven, the sacral four, the 

 caudal ten. The thorax is short and broad ; the ribs 

 eleven; the upper piece of the sternum is very 

 broad, with a prominent central spine ; the clavicle 

 very long, slender, and curved, with the convexity 

 anterior. The pelvis is very narrow. The scapula is 

 diaphanous, with two obtuse spines, one projecting 

 on each face ; the coracoid process long and curved ; 

 the bones of the arm and hand very slender, the 

 cubitus single ; the carpal bones densely grouped ; 

 the metacarpal elongated. The hind legs compara- 

 tively short, the tarsus very small, the metatarsus 

 very short, the feet capable of being turned nearly 

 round inwards. 



In the upper jaw are four incisors, the two middle 



