CADUCIBRANCHIATA. 23 



ca, Holbrook ; Salamandria horrda et gigantea, or max- 

 ima Barton; Salamandra Alleghanensis, Michaux. 



Body somewhat elongated, thick and strong; color 

 slate with dark spots; nostrils moderate well defined; 

 head very broad; internal nares large; two outer toes 

 with large membranous fringes. 



Length 2 feet. 



Habitat Ohio and Alleghany Rivers, and South Car- 

 olina ? not of the Great Lakes. 



2 Cryptobranchus, Van der Hoeven. 



Synonyms, Sieboldia, Bonaparte; Tritomegas, Dumer- 

 il and Bibron ; Megalobatrachus, Tschudi. 



Palatine teeth in a parabolic curve parallel to those of 

 the upper jaw; tongue much attached; body very large 

 rugose or warty; head depressed, oval; branchiae and 

 branchial apertures caducous; tail short, compressed, 

 and provided with a crest. 



This animal resembles the Salamandrida in respect to 

 its caducous gills, but may be readily distinguished from 

 them by its huge size and the arrangement of the vome- 

 ro-palatine teeth on the anterior edge of the vomer, in- 

 stead of the posterior, in a somewhat parabola-formed 

 curve with its convexity to the front. 



