176 VERTEBRATE ANIMALS OF THE UNITED STATES 



62 Color on back with a definite lateral margin. 



fi Hinder surface of thigh spotted or blotched H. andersoni. 



f2 Hinder surface of thigh not marked H. cinerea. 



ho In the Gulf States. 



Ci Fingers somewhat webbed. 



di Skin rough and warty H. versicolor. 



di Skin not warty. 



ei Upper surface glandular, pustulate H. gratiosa. 



62 Upper surface not glandular H. baudini. 



C2 Fingers entirely free of web. 



di Back of thighs plain in color, with or without spots. 



ei Color on back with a definite lateral margin H. cinerea. 



62 Color on back without such a margin H. squirella. 



d2 Back of thighs with large color blotches H. femoralis. 



bs In the extreme southwest H. arenicolor. 



ao On the Pacific slope H. regilla. 



H. versicolor LeConte. Common tree toad (Fig. 88 and 90). 

 Body rather stout, with a rough, warty skin and very variable in color, 



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hF. 



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Fig. 90. — Hyla versicolor {from Dickerson). 



varying from white or gray to deep brown or bright green and more or 

 less mottled, with usually an oblique dark band above and a light spot 

 beneath each eye and a large dark irregularly star-shaped patch on 

 the back between the fore legs; length 50 mm.; hind leg 80 mm.: North 

 America, east of Minnesota, Kansas and Texas; northward to southern 

 Canada; southward into the Gulf States. 



Subspecies of H. versicolor 



H. V. versicolor LeC. Southward to the Gulf States and Arkansas. 

 H. V. chrysoscelis Cope. Skin of upper surface perfectly smooth: 

 southern Arkansas to east-central Texas. 



