18 



BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 



Description. — U.S.N. M. No. 65733, an adult male from Samand 

 and Laguna, D. R., taken by Dr. W. L. Abbott in March 1923. 

 Tongue broader than long, sUghtly emarginate behmd; vomerine 

 teeth in two straight heavy groups on a line with the posterior borders 

 of the choanae; head broader than long; nostrils near the tip of the 

 snout, their distance from each other equal to their distance from the 

 eye; snout rounded; interorbital width equal to the greatest diameter 

 of the eye; no indication of ossification in the derm of the head; 

 canthus rostralis rounded, the loreal region concave, and the upper 

 hp projecting conspicuously; tympanum distinct, its width shghtly 

 more than half that of the eye; the hind limb being adpressed, the 



Figure 4. — Hyla pulchrilineata: a, Dorsal view; b, side of head; c, inside of mouth; d, under- 

 side of forefoot; e, underside of hindfoot. U.S.N. M. No. 65733, from Samana and Laguna, 

 Dominican Republic. One and one-half times natural size. 



tibio tarsal articulation reaches beyond the tip of the snout; digits 

 with large disks, those of the fingers about equal to the tympanum, 

 those of the toes about two-thirds the size of the tympanum; fingers 

 with the merest trace of a web, toes one-half webbed; skin minutely 

 glandular above, practically smooth; tliroat, chest, abdomen, and 

 thighs coarsely granular; a supratympanic fold continuing backward 

 behind the ear and ending just above the insertion of the shoulder; 

 a very sUght dorsolateral fold; a pair of external vocal sacs. Male in 

 the breeding season with a large black horny patch on the inner portion 

 of the first finger and with a very prominent fold of skin across the 

 throat. 



Color (in alcohol) : Upper parts deep fawn color, lightening toward 

 the extremities; a narrow light median dorsal line (golden-yellow in 

 Ufe); a light fine beginning above the nostril, continuing back along 

 the canthus rostrahs, through the eye, above the tympanum and 

 along the sides, curving inward toward the vent ; a brighter but more 



