HEEPETOLOGY OF PORTO RICO. 



575 



Whether BrocchV^ Ztptodaetyh/s coliginosus" realh^ l^elongs here is 

 somewhat more doiibtfal. The iio-uro docs not much resemble this 

 species, nor does the description mention the conspicuous white labial 

 stripe. Bocourt's observation that the voice of the species collected 

 by him at Isal)al and at Pansos resembles the ba} ing- of a dog and 

 may be rendered by the syllable rJiouap! rhoiutp! is also at variance 

 with my own experience with L. aJhUahrls in Porto Rico. 



DescrljytJon of adult.— Vi.^.l:\M. No. 2708-1:; Isabella Segunda, 

 Vieques Island, March 24, 1900; L. Stejneger, collector. Vomerine 

 teeth in two curved series behind the choan;e; tongue large, slightly 

 indented lu'liind; nostrils nearer the tip of snout than the e3^e; tympa- 

 num circular al)()ut two-thirds the diameter of the ey^e; interorbital 

 space e(juals width of upper eyelid; first linger much longer than sec- 



FiGS. 6-10.— Leptodactylus albilabris. 2 X natural size. 6, side of head; 7, top of head; S, inside of 

 mouth; 9, underside of fore foot; 10, underside of hind foot. No. 27084, U.S.N.M. 



ond, which equals fourth; toes slightly webbed at base; third nuich 

 longer than fifth; sul)articular tubercles well developed and numerous 

 smaller tubercles in series on the sole; two metatarsal tubercles, the 

 inner connected with a slight tarsal fold; heels overlapping when 

 hind limbs are folded at right angles to axis of bod}^; tarso-metatarsal 

 joint reaching tympanum when hind liml)s are carried forward along 

 the body; skin smooth above and ]>elow; numerous small, pointed 

 tubercles on the outer surface of the tibia; a narrow dorso-lateral glan- 

 dular fold and another similar one, though less pronounced, on sides 

 from shoulder to groin; a strong glandular fold from posterior angle 

 of eye over tympanum to shouldei-; ventral disk plainly marked by 

 two transverse dermal folds, one between the fore limbs, the other 

 across the belly, these joined by a longitudinal dermal fold on each side. 



« Miss. Sci. Mex., Batr., 1881, p. 17, pi. v, figs. Icf-c, but not of Girard. 



