4 2 CADUCIBRANCHIATA. 



i 



ous, a prominent row passes interior to the eve ; cervi- 

 cal fold distinct ; costal furrows ten; eyes prominent but 

 small; nostrils minute. 



Length 3 4-5 inches. Head to cervical fold .55 inches. 

 Tail iyi " Transverse diameter 



of head .52 inches. 

 Body 2.3 " Length of hind leg 1.7 " 



Habitat Illinois to the Gulf of Mexico. 



6 Ambly stoma mavortium, Baird. (13.) 



Synonyms, Amblystoma proserpine, Baird; Amblys- 

 toma maculatum, Hallowell; Amblystoma nebulosum, 

 Hallo well; Camarataxis maculata, Cope; Amblystoma 

 Californiese, Gray; Desmiostoma maculatum, Sager; 

 Siredon lichenoides, Baird. 



Color dark brown, paler to yellow below, with yellow 

 caudal and dorsal spots or blotches, and lateral ellipsoid 

 bands extending transversely; limbs blotched; costal 

 furrows less marked than in Amblystoma functatum; 

 tail ensiform ; body stout ; head large, very broad ; muz- 

 zle rounded; vomerine series of teeth forming an angle 

 with the apex in front ; Hallowell (31, b) says "arched 

 in four patches, the two middle convex anteriorly, nearly 

 in contact;" digits triangular, depressed; males with a 

 fin at upper base of tail in the breeding season; anal re- 

 gion swollen. 



