89 



A M P H I U M A .—Garden. 



Genus Amphiuma. — Characters. Head large; lips thick and extensive; supe- 

 rior maxillary bone with a thick series of small teeth; palatine teeth in two 

 longitudinal rows; inferior maxillary bone with a single series; a single spiracle 

 at each side of the neck; body eel-shaped; extremities four, imperfectly developed. 



AMPHIUMA MEANS.— Garrfm. 



Plate XXX. 



Characters. Head large, sub-oval; snout depressed and rounded; neck con- 

 tracted, with a transverse fold at the throat; body eel-shaped, and of a bluish- 

 black colour, tinged with violet; anterior extremities very small, with two 

 fingers; posterior still smaller, with two toes. 



Synontmes. Amphiuma means, Garden, Smith's Correspond, of Linnteus, vol. i. p. 599. 

 Amphiuma means, Harlan, Med. and Phys. Res., p. 85. 

 Chrysodonta larvseformis, Mitchell, Med. Record., No. 19. 

 Congo Snake, P'lilgo. 



Description. The head is very large, elongated, sub-oval, and flattened above, 

 especially near the snout, which is full and rounded. The mouth is large, extend- 

 ing to one-half the length of the head, and is provided with rather thick movable 



