430 BOULENGER. 



Vomerine teeth in small groups close together, on a level with or 

 just behind the posterior borders of the choanae. 



Head as long as broad, much depressed ; snout rounded, projecting 

 beyond the mouth, as long as or a little longer than the eye, which is 

 large and extremely prominent; canthus rostralis very indistinct; 

 loreal region oblique, concave; nostril equidistant from the eye and 

 from the tip of the snout; distance between the nostrils much greater 

 than the interorbital width, which is ^ to | that of the upper eyelid; 

 tympanum very distinct, f to f the diameter of the eye in females, 

 as large as the eye in males, 3 to 5 times its distance from the eye. 



Fingers rather long and slender, pointed, first as long as or slightly 

 longer than the second, third longer than the snout; subarticular 

 tubercles small, feebly prominent. 



Hind limb rather short, the tibio-tarsal articulation reaching the 

 shoulder or the tympanum, the heels meeting or not when the limbs 

 are folded at right angles to the body; tibia 3 to 4 times as long as 

 broad, 2f to 2f times in length from snout to vent, much shorter than 

 the fore limb, shorter than the foot. Toes rather long, obtusely 

 pointed, f webbed, 2 phalanges of fourth free; outer metatarsals 

 separated nearly to the base; subarticular tubercles small, feebly 

 prominent; no tarsal fold; inner metatarsal tubercles elliptic, feebly 

 prominent, 3^ to f the length of the inner toe; no outer tubercle. 



Skin smooth, or with small pearl-like white horny tubercles on the 

 back and limbs; a strong fold from the eye to the shoulder. 



Chocolate brown or brownish olive above, with or without small 

 darker spots; a yellowish brown streak from behind the eyes to the 

 sacrum or a little beyond; a yellowish streak from below the eye to 

 the groin; no cross-bands on the limbs. Lower parts yellowish white, 

 or yellow on the throat and hind limbs; throat and belly uniform or 

 more or less spotted with brown; hind limbs spotted or marbled with 

 blackish brown, back of thighs Mith two blackish brown stripes 

 enclosing a yellow one; web between the toes black. 



Male with a large grayish or blackish external vocal sac on each side 

 between the mouth and the shoulder; a feeble pad on the inner side 

 of the first finger. 



Nasal bones moderately large, narrowly separated from each other 

 and from the frontoparietals. 



Habitat. — New Jersey (Atlantic City and Lakehurst) and North 

 Carolina (Lake Ellis). 



