56 



B. Fiugers webbed not at all, or only the outer with a narrow web. 

 a. Fingers entirely free. 



Olive-brown above, green in life ; a stripe from eye along the 

 side to femur. Toes two-thirds webbed. Tympanum one- 

 third the eye. Rare. N. J. and S. C. andersonii. 

 Olive or green above, with small, irregular dark spots. A V- 

 shaped mark between the eyes. Toes one- half webbed. 

 Tympanum one-half the eye. squirella, p. 58. 

 ".Gray or olive above, with a X-shaped cross on the back. Thighs 

 not spotted behind. Tympanum one-half the eye. Toes one- 

 '"half webbed. inckeringii, p. 58. 

 la. Outer fingers with a narrow web. 



Resembles H. versicolor, but with a web between the outer fingers 

 and with the thighs behind dusky and with yellow spots. S. C. 

 to Fla. femomlis. 



Purplish ash above, with numerous irregular dark spots. Limbs 

 barred ; thighs behind yellow, unspotted. Toes webbed to 

 penultimate phalanx. Tympanum one-half to two-thirds the 

 eye. Ga. to Fla. gratiosa. 



Hyla versicolor, LeConte. 

 Chameleon Tree-Frog. 



Hyla versicolor, LeConte, 1825, 62, i, 281 ; Holbrook, 1842, 54-, iv, 

 115, pi. 28; Boulenger, 1882, 27, 372; Cope, 1889, 51, 373, with fig- 

 ures. 



Form heavy and almost toad-like. Head considerably broader than 

 long ; the snout rounded ; the space in front of the eye concave. Eyes 

 large and protruding. Tympanic disk about two-thirds the diameter of the 

 •eye. Tongue large, circular, notched behind. Vomerine teeth in two 

 closely approximated patches lying between, or a little behind, the chouse. 

 ■Chest crossed by a broad fold of skin. Fingers and toes with disks nearly 

 ;as large as the tympanum. Fingers with an evident membrane uniting 

 ithem. Toes webbed to near the tips. The first finger opposed to the 

 rest. On extending the hind leg along the side the heel attains the back 

 of the orbit. 



Upper surface with numerous smooth warts ; belly and uuder surface 

 of thighs granulated. Males furnished with a large gular sac which opens 

 on each side under the tongue. 



The color in life varies from olive to dark gray and green, varying with 

 the surroundings of the animal. Between the eyes there is a V pointing 

 backwards. On the back there is a large, somewhat cruciform blotch of 

 vdark color, and behind it another smaller blotch on each side. The limbs 



