83 



THE ANIMAL KINGDOM. 



seize the prey, as they do in the feline race. Again, in the 

 Vampires which suck blood, these teeth arc like sharp 

 lancets, with an open space in the middle of the lower 

 jaw, into which two sharp incisors close, and thus a triple 



Fig. 45- 

 BAT SLEEPING. 



wound is inflicted ; in these the molar teeth are very 

 imperfect, and arc unfit for grinding. 



Owing to the wide membrane with which they are sur- 

 rounded, Bats can only walk with great trouble, and can 

 scarcely start on their flight if placed on the ground. 

 They therefore sleep in the daytime, hanging by their feet 



