Amhystoma opacum (Gravenhorst) Eastern Marbled Sak' 



mander 

 (Salamandra fasciata of De Kay) 

 With 13 or 14 costal grooves; with white frosting, appearing as bars on 

 sides and often forking toward the belly; S. C. to Florida and Alabama 

 Amhystoma cingulatum Cope Frosted Salamander 



94. With 14 or 15 costal grooves on each side; belly grayish, with white 



spots; Arkansas to Missouri 



Amhystoma annulatum Cope Eastern Barred Salamander 

 (Linguaelapsus annulatus (Cope) ) 

 With 12 to 14 costal grooves; belly usually yellow, with dark spots, or 

 else dark, with yellow blotches, bands or bars 102. 



95. Eye as long as distance from it to end of snout; back brown, with light 



or dark flecks; belly orange; not over four and onc'half inches long; 

 Washington to California 



Rhyacotnton olympicus (Gaige) Olympic Salamander 

 Eye shorter than snout; color various; size various 96. 



96. Back dark spotted; sometimes retaining gills throughout life 97. 

 Spots, if present on back, light rather than dark 98. 



97. Back well spotted with dark; dark spots on belly often lengthened cross' 



wise; N. Dakota 



Amhystoma tigrinum diaholi Dunn Devil's Lake Tiger Sala' 

 mander (Axylotl (with gills) ) 

 Back less spotted with dark; belly irregularly dark spotted; Nevada to 

 N. M. 



Amhystoma tigrinum nehulosum Hallowell Clouded Tiger Sala' 

 mander (Axylotl (with gills) ) 



98. Light dorsal spots yellowish in color 99. 

 Light dorsal spots, if present, whitish 104. 



99. Back with few yellow spots about the size of the eyes, which tend to form 



dorsolateral series 100. 



Back or belly generally well spotted or blotched 101. 



100. With two tubercles on the sole of the hind foot; yellow spots usually 



in dorsolateral series and also along the lower part of each side; belly 

 grayish to yellowish; Cal. 



Amhystoma tigrinum califormense Gray California Spotted 



Salamander 

 (Amhystoma calif omiense Gray) 

 With one or no tubercles on the sole of the hind foot; dorsal yellow spots 

 primarily in dorsolateral series only; belly gray; Maine to Wisconsin, 

 south to Florida and Texas 



Amhystoma macidatum (Shaw) Eastern Spotted Salamander 

 (Amhlystoma punctatum of Cope) 



101. Usually with two tubercles on the sole of the hind foot; belly usually yeb 



low with dark markings, sometimes marbled or barred dark and light; 



sometimes retaining gills throughout life 102. 



With one or no tubercles on the sole of the hind foot; belly spotted or 



tinged with lighter color 104. 



328 



