70 CADUCIBRANCHIATA. 



Habitat New York to Georgia, Alabama and Ohio. 

 Common. 



Var. auricalatus differs from this by being black or 

 nearly so above, with a reddish spot behind and below 

 the eve, and minutely punctate with red upon the sides. 



Lives in shallow brooks, and emits its eggs in a string 

 connected by albuminous matter, which is afterwards 

 wound around the body by one of the pair. 



7. Plethodon niger, Hallowell. 



Synonyms, Desmognathus nigra, Baird, Cope, Gray; 

 Triton niger, Holbrook; Salamandra nigra, Green, 

 Harlan. 



Color dark brown or black, lighter beneath; head 

 large, depressed, not separable from the body; muzzle 

 rounded; sphenoidal teeth in two groups, almost or 

 quite united anteriorly; vomerine series approximated 

 in two oblique rows ; tongue round ; body large ; limbs 

 appressed; toes very long, distinct; gular fold well 

 marked; parotid and postorbital grooves scarcely visi- 

 ble ; eyes prominent ; costal furrows twelve ; tail subcy- 

 lindrical at base, becoming compressed, tapering to the 

 tip, and usually provided with a fin. 

 Length 6 inches. 

 Tail 2 4-5 inches. 



Habitat Massachusetts to Georgia and Louisiana. 



Inhabits shallow springs in cool moist places, and con- 



