t64 the AMERICAN MUSEUM JOURNAL 



b. RODV CYLINDRICAL, ELONGATED. 



1. Tail rounded. 



Size moderate ; black, with 



silver}' spots Slimy Salamander {Plethodon glutinosus). 



Size ven,' small; brown, with 



minute white dots Gray Salamander {Plethodon cinereus). 



Size ver\' small; dark gray, a 



reddish band on back Red-backed Salamander {Plethodon ciner- 

 eus erythronotus). 



2. Tail bluntly oval. 



Size small; snout very blunt; 



brown, paler on back Four-toed Salamander {Heniidactylium 



scutatum). 



3. Tail flattened towards the tip. 

 Size moderate ; bright red, 



spotted with black Red Salamander {Spelerpes ruber). 



Size small ; yellow band on 



back, dark bands on the 



sides Two-lined Salamander {Spelerpes biline- 



atus). 

 Size larger; yellow, sides with 



many black spots and a 



median dorsal series thereof ; 



tail keeled above, ver\' long. Long-tailed, or Cave Salamander {Spelerpes 



longicauda). 

 Size moderate ; gray, minutely 



dotted with white ; greater 



length of tail fiat Dusky Salamander {Desmognathus fusca). 



Size moderate ; brown, lighter 



on head; basal half of tail 



rounded Mountain Salamander {Desmognathus 



ocrophcca). 



c. Outlines well proportioned; size small. 



I. Tail flat from base to tip. 

 Skin smooth; tail fin -like; 

 olive above, yellow beneath, 

 a row of red spots on side ; 



aquatic Water Newt {Diemyctylus viridescens). 



Skin rough ; tail thicker ; red- ^ 



dish brown to vermilion ; 



terrestrial Red Eft; Moxmtain " Lizard " {Diemyctylus 



viridescens miniatus). 

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