35 



^The birds are not the only animals that have no teeth 

 with which to seize their prey, as is illustrated by 

 the snapping turtle. Here is a type of the Carni- 

 vores, armed with powerful limbs for the chase, 

 powerful claws and large canines for seizing and 

 holding the pr?y when caught up with. Here is 

 a type of the herb-eating animals armed with long 

 sharp-edged incisors for cropping grass or shoots. 

 The squirrel uses similar teeth for gnawing into nuts 

 for the meat. The crab has powerful clawed arms, 

 with one of which he anchors himself, while with 

 the other he seizes his pre} . 



Here is a black snake that crushes his victims in 

 the coils of his body, and in a sense the bears might 

 be put in the same class. Next to him is the copper- 

 head snake that uses poison in securing his food, and 

 in the same class comes the scorpion and tarantula. 

 The Fish show many modifications. Here is the sting- 

 ray, generally reputed to be poisonous, because of 

 the danger of blood poisoning setting in from the 

 slime covering the sting and the ragged and unclean 

 cut made. The shark has to turn over on his 

 back to seize objects near the surface ? while the form 

 back of it has a broad duck-like bill for digging in 

 the mud. On the other side are two illustrations of 

 a class of animals known as parasites, that live on 

 the food prepared by other animals. The tape-worm 



