I!! 



VERTEBRATES : REPTILES. 



gardens and buildings, often entering liouses, and mo\'- 

 ing over the furniture, up and down the walls and 



Fig. 174, — Six-lined Lizard. 



window panes, and along the ceilings, in its search for 



flies, upon which it likes to feed. 



The Horned Toads are Lizards found in the south- 

 ern and western parts 

 of North America. 

 The head is armed 

 with spines, the body 

 covered with tuber- 

 cles. The Horned 

 Toad, of Texas, is 

 less than five inches 



long, and lively in movement, though sluggish in a cage. 



Fig- 175- — Horned Toad. 



Snakes, or Serpents. 



Serpents are Reptiles which are exceedingly long in 

 proportion to their size, and which have no feet, yet 

 they glide over the ground with vcr}- great speed. 

 They move by the bending of their bodies, aided by 

 the scales which co\'er their under surface. These arc 

 broad and flat and point backward so as to catch on 

 the ground and thus aid in locomotion. Their mouth, 

 ■throat, and body are capable of being greatly dis- 

 tended, and hence they are able to swallow animals 



