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VERTEBRATE ANIMALS OF THE UXITED STATES 



L. alhilehris (Gunther). A white stripe along the upper jaws; 

 dorsolateral ridges present; color obscurely mottled above; toes with 

 a dermal fringe; length 35 to 49 mm.: extreme southern Texas. 



3. Eleutherodactylus Dumeril &Bibron. Vomerine teeth present; 

 body relatively slim; skin smooth or tubercular but not warty; digits 

 not webbed; terminal phalanges with a transverse limb which supports 

 dermal disk; 3 species in the United States. 



E. latrans (Cope). Skin smooth; color brownish gray, with large 

 brown spots; grayish white beneath; length 94 mm.; hind leg 115 mm.; 

 pupil horizontal: San Antonio, Texas. 



Fig. 88. — Hind and fore foot of Hyla versicolor 

 {from Surface). 



Fig. 89. — Hind and fore foot of A oris 

 crepitans {from Surface). 



E. ricordii (D. and B.). Skin slightly tubercular; length 25 mm.: 

 Florida. 



4. Syrrhophus Cope. Like Eleutherodactylus, but without vomer- 

 ine teeth: 2 species in the United States. 



5. marnocki Cope. Color purplish brown, spotted; length 38 mm.; 

 hind leg 45 mm. : San Antonio, Texas. 



Family 4. Hylidae. — Tree toads; tree frogs. Small 5a//ew/w which 

 live in trees, bushes or in dense foliage on the ground and return to the 

 water only in the spring time to breed; maxillary and vomerine teeth 

 present; no parotoid glands; pelvic girdle arciferous (coracoids and 

 precoracoids overlapping midventrally) ; digits expanded at their tips 

 to form glandular disks, the sticky secretion of which assists the animal 

 in climbing; front toes sometimes slightly webbed, hind toes usually 

 fully webbed; eggs of American species laid in small masses in the water: 

 about 190 species, most of which are in the Ncotropic region; 23 species 

 in the United States, which often show a remarkable metachrosis. 



