140 



BEGINNERS' ZOOLOGY 



between the toad or frog (Fig. 250) and the "horned 

 toad," which is a lizard (Fig. 265). 



• " ; "\ 



Fig. 265. — "Horned Toad" Lizard, of the Southwest 

 (Phrynosoma cornita). x§. 



Study of a Turtle or a Tortoise 



Suggestions. — Because of the ease with which a tortoise or 

 a turtle may be caught and their movements and habits studied, it is 

 suggested that one of these be studied as an example of reptiles. 

 Besides a live specimen, a skeleton of one species and the shells of 

 several species should be available. 



Fig. 266. — European Pond Turtle (E»iys lutaria). (After Brehms.) 



The body (of a turtle or a tortoise) is divided distinctly 

 into regions (Fig. 266). Is there a head? Neck? Trunk? 

 Tail? The trunk is inclosed by the so-called shell, which 



