102. Back with many yellowish blotches which tend to fuse; Washington 



Amhystoma tigrmum melanostictum (Baird) Northwest Tiger 



Salamander 

 (Amhystoma tigrinum slateri Dunn) 

 Yellow blotches quite distinct 103. 



103. Yellow blotches few and rather large, tending to form bars to the mid' 



dorsal and often to the mid-ventral line; Kansas to N. M. 



Amhystoma tigrmum mavortium Baird Barred Tiger Salaman' 

 der (Axylotl (with gills) ) 

 With many small yellow blotches, which may form bars on the sides; 

 generally distributed except for New England 



Amhystoma tigrinum tigrinum (Green) Common Tiger Sala' 

 mander (Axylotl (with gills) ) 



104. With a raised parotoid gland on each side of the head behind the eye; 



dorsal edge of tail more swollen than ventral edge; back brown, some 

 times sprinkled or spotted with yellow; Washington to Cal. 

 Amhystoma gracile (Baird) Toad Salamander 

 (Amhystoma paroticum Baird) 

 No noticeable parotoid glands; dorsal edge of tail usually thinner than 

 ventral edge; color various 105. 



105. With a median groove in the tongue; back usually well spotted or frosted 



with lighter color; costal grooves 13 to 15 106. 



No median groove in the tongue; central area of back often less evidently 



marked with lighter color; costal grooves 10 to 14 108. 



106. With light frosting on back and sides, often appearing as light bars on 



the sides; S. C. to Florida and Alabama 



Amhystoma cingulatum Cope Frosted Salamander 

 With light spots or lichen-like markings 107. 



107. Costal grooves 13; with one row of teeth on edge of jaw; N. and S. Caro' 



linas 



Amhystoma maheei Bishop Mabee's Salamander 

 Costal grooves 14 or 15; with two or three rows of teeth on edge of jaw; 

 Nebraska to W. Virginia, south to Georgia and Texas 



Amhystoma texanum (Matthes) Narrowmouthed Salamander 



108. Tail about one-third total length; head noticeably large; costal grooves 



10; southeastern states to 111. and Okla. 



Amhystoma talpoideum (Holbrook) Mole Salamander 

 Tail longer; head smaller; costal grooves 1 1 to 14 109. 



109. With two tubercles on the sole of the hind foot; sometimes retaining 



gills throughout life; generally distributed except for New England 

 Amhystoma tigrinum (Green) Tiger Salamander. (Axylotl 



(and varieties) (with gills) ) 



With one or no tubercles on the sole of the hind foot 110. 



110. Fingers and toes long and slender, longer than the respective palms and 



soles; Maine to Wisconsin and Kentucky 



Amhystoma jejfersonianum (Green) Jefferson Salamander, 



Eastern Long-toed Salamander 

 (Salamandra granulata of De Kay) 



329 



