XIII 



PHYLUM CHORDATA 



275 



the terrestrial Salamanders, stand out from the trunk, and have the 

 soles of the feet and hands applied to the ground with the toes 

 directed forwards, so as to support the weight of the body. More- 



f. 



-ti 



c^- 



o 





E 



over, all trace of the median fin disappears, the tail becoming 

 nearly cylindrical. 



In the Anura the body is always Frog-like, the head being 

 large and depressed, with a very wide mouth and large tympanic 



T 2 



