62. Back mostly plain dark colored; Virginia to Georgia and Alabama 



Plethodon metcalfi Brimley Metcalf 's Salamander 

 Back frosted or blotched with lighter color 63. 



63. Belly very dark; S. C. 



Plethodon clemsonae Brimley Jocassee Salamander 

 Belly gray 64. 



64. Costal grooves 14 or 15; New Mexico 



Plethodon hardii Taylor New Mexico Plethodon 

 Costal grooves 16; mountains from Virginia to N. C. 



Plethodon welleri Walker Weller's Salamander 



65. With four toes on the hind foot; N. C. to Florida and Texas 



Manculus quadridigitatus (Holbrook) Dwarf Four'toed 

 Salamander 

 With five toes on the hind foot, one of which may be very small 66. 



66. Toes well webbed; California, Sierra Nevadas 



Hydromantes platycephalus (Camp) Mt. Lyell Salamander 

 Toes scarcely or not webbed 67. 



67. Retaining gills throughout life; yellowish above, with dorsolateral light 



spots 68. 



Adults losing gills 70. 



68. With 19 or 20 costal grooves; Proctor, Oklahoma 



Eurycea tynerensis Moore and Hughes Oklahoma Salamander 

 With 15 to 17 costal grooves 69. 



69. Under side of tail pale; Bexar County, Texas 



Eurycea neotenes Bishop and Wright Bexar County Salamander 

 Under side of tail pigmented; San Marcos, Texas 



Eurycea nana Bishop San Marcos Salamander 



70. Vomerine and parasphenoid teeth not in continuous series; tail half or 



more total length in most but not all species; usually grayish or yellow 

 ish above or with dark pigment spots in more or less well defined rows 

 or stripes 71. 



Vomerine and parasphenoid teeth in continuous series; tail usually less 

 than half total length; general color brownish or reddish; dark pig' 

 ment spots, if present, usually scattered over the body 79. 



71. With 19 or 20 costal grooves 72. 

 Costal groves less than 18 73. 



72. Grayish above; belly evenly dark; Gore, Okla. 



Eurycea griseogaster Moore and Hughes Gray'bellied Eurycea 

 Brownish above; yellow bclov^'; Mo. to N. M. 



Eurycea multiplicata (Cope) Many-grooved Salamander 



73. Back orange, with scattered dark spots; W. Virginia to Alabama and 



Oklahoma 



Eurycea luc^fuga Raf. Spotted-tailed Salamander 

 (Gyrinophilus maculicaudus of Cope) 

 Back yellowish, with dark pigment spots in more or less well defined rows 

 or stripes 74. 



324 



