6o 



Slate blue above (in spirit), the sides of the body and the 

 outer side of head, foot and tarsus sometimes crimson, with 

 white spots or marblings ; a white streak on the upper lip, at 

 least from below the eye ; a white streak, or white spots, on 

 the lower lip; a white streak above the vent, another along 

 the inner side of the leg and the outer side of the tarsus; 

 throat blue or purple, belly white. From snout to vent 85 mm. 



Male without ossified omosternum, with an external gular 

 vocal sac, and a patch of dark brown rugosities on the inner 

 side of the basal part of the first finger. 



Closely allied with H. caerulea, but differing in the smaller 

 tympanum. 



Habitat: New Guinea (Arfak mts., 1800—2400 m.). 



39. Hyla congenita Ptrs. & Dor. 



Hvla (Litoria) congenita Peters e Doria, Ann. Mus. Genova. XIII, 1878, p. 427, 



pi. VI, figs. 4, 5- 

 Hyla congenita Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 406. 

 Hyla congenita Roux, Abh. Senckenb. naturf. Ges., XXXIII, 1910, p. 230 



(with tadpole). 



Tongue rounded and little free behind ; vomerine teeth in 

 two small groups, close together behind the level of the choanae. 

 Head about as long as broad ; snout rounded, about as long 

 as, or a little longer than the upper eyelid, a little longer 

 than deep; canthus rostralis indistinct, rounded; loreal region 

 nearly vertical, concave; nostril nearer tip of snout than eye; 

 interorbital space 1 '/ 4 to i 1 /., the width of the upper eyelid; 

 tympanum very distinct, a little more than half the width of 

 the eye. Disks of fingers smaller than, or as large as tym- 

 panum, a little larger than those of toes; first finger shorter 

 than second, which is much shorter than fourth ; fingers l j 3 to 

 '/., webbed ; third and fifth toe equal in length ; toes nearly 

 entirely webbed, the penultimate phalanx of the fourth being 

 nearly free; subarticular tubercles distinct; an elliptic inner, 

 and a very small or indistinct outer metatarsal tubercle ; no 

 tarsal fold ; the heel reaches the eye or between eye and tip 

 of snout; tibia half length of head and body. 



Skin smooth above, and on the throat and anterior part 

 of belly; posterior part of belly and lower surface of thighs 

 coarsely granulate ; a fold above the tympanum and another 

 across the breast between the shoulders. 



