Classification 



The Amphibia are classified as follows : 

 Order i. The URODELA (Gr., oura, tail ; delos^ 

 conspicuous). Amphibians with long, round bodies, and 



FIG. 6. SKELETON OF A FOSSIL FLYING REPTILE (Pterodactylus crassirostris), 

 AND (A) RESTORATION OF THE ANIMAL ON A SMALLER SCALE. 



having long, flattened tails which they retain throughout 

 their existence. 



Order 2. The ANURA (Gr., a-, an- y without ; oura, 

 tail), including those Amphibians which in the adult 

 stage have lost all signs of a tail. 



B.R. 81 ii 



