BATRACHIANS OF THE VICINITY OF NEW YORK 165 



Descriptive List of the Salamanders. 



FIG. 2. THE MARBLED SALAMANDER 

 Fr(»m specimen in New York Aquarium 



The Marbled Salamander, Amhlystoma opacnm Gravenhorst 

 (Fig. 2), is of moderate size and stout form, with flattened tail, 

 which is thick at the base. General color slaty-black, Marbled 

 with large elongated spots or blotches of grayish-white Salaman- 

 on the back and head. Some of the spots run together, *^"- 



producing a marbled appearance, a character which occurs on 

 the back of many specimens. The spots are regularly disposed 

 as half -rings on the upper surface of the tail, producing a banded 

 appearance. Beneath, this species is a uniform bluish-black. It 

 may be distinguished from the other local representatives of the 

 genus by its grayish-white markings, the other species possessing 

 yellowish markings. Total length, 4I inches; length of tail, 2 

 inches. 



Range: The eastern and central portions of North America. 



Local Distribution: General in this vicinity, but not common. 



