654 GEOLOGICAL SURVEY OF NEW JERSEY. 

 Family PLETHODONTIDiE. 



American Salamanders. 



HEMIDACTYLIUM, Tschudi. 

 H. Bcutatum, Schl. {melanosticta, Gibbes.) Four-toed Salamander. 



Ashy brown above; snout yellow; silvery below, with do( 

 "like inkspots;" tail slender, nearly twice as long as body 

 head blunt. Rhode Island to Illinois and south. 



PLETHODON, Tschudi. 



P. oinereuB, var. erythronotus, Green. Red-backed Salamander. 



Leaden above, with red dorsal band; belly marbled; bod; 

 very slender ; tail rounded ; inner toes rudimentary ; costal folds 

 16 to 19, 



"About as frequently met with as P. glutinosus. The im 

 pression that this class of creatures are venomous is erroneous. 



P. cinereus, var. oinereus, Green. Gray Salamander. 



A variety without dorsal red band. 



" Found about rapid streams where there are flat stones, unde 

 which it can conceal itself when pursued. The food of thes 

 animals is small insects." 



P. glutinosus, Green. Viscid Salamander. Blue-spotted Salamandei 

 Black, with gray lateral blotches and smaller dorsal spots 

 body stout ; tail rounded ; inner toes well developed ; like ih 

 preceding, spends much time out of water. 



" Not unfrequently met with in the hilly sections of the Statt 

 Very moist land and the bottoms of brooks where it is generall; 

 met with." 



SPBLBRPBS, Raf. 



S. bilineatus, Green. Two-striped Salamander. Stripe-backed Sals 

 mander. 



Yellow, with a dark line along each side of back ; bell; 

 unspotted ; tail not keeled. Costal folds, 14 ; size small. 



" Not abundant. More numerous in the northern hilly section 

 of the State. This and the following are very scarce in th 

 central counties." 



