XIII 



PHYLUM CHORDATA 



477 



with claws. So complete is the adaptation of the limbs to the 

 purpose of flight that Bats are only able to shuffle along with 



FIG. 1054. Gale opithecus. (After Vogt and Specht.) 



great difficulty on the ground ; though with the aid of their claws 

 they are able to climb and to suspend themselves from branches of 

 trees by the hind feet. In the Megachiroptera the muzzle is 



FIG. 1055. Bat (Synotus barbastdlus). (After Vogt and Specht.) 



nearly always elongated, and the pinna of the ear simple, while in 

 the Microchiroptera the muzzle is short, the pinna usually com- 



