HTLID^. 509 



!-tudcled with minute dark-browu points, aud similar rugosities on 

 the three inner fingers. 



From snout to vent 2 inches. 



Hah. A rare T3atrachian, hitherto recorded only from Sikhiin, 

 reaching an ahitude of 13.000 feet. 



Family V. HYLID.E. 



Upper jaw toothed ; diapophyses of sacral vertebra dilated ; 

 distal phalanges cla\\-like, swollen at the base. 



The Hi/Udas are arboreal frogs, very abundantly represented in 

 America and Australia and by a few species in the Pahearctic 

 region. The species described below is to be regarded as an 

 outpost from the fauna of the latter region. 



Genus HYLA. 

 Laineiili, 8yn. liept. p. -ii' (part.j, 17i>6. 



Pupil hori/oulal. Tongue eulireor slightly nieked. adherent or 

 more or less free behiud. Vomerine teeth. Tympanum distinct 

 or hidden, Fingers free or more or less webbed ; toes webbed, 

 the tips dilated into smaller or larger disks. Outer metatarsals 

 united or sliglitly separated. Omosternum cartilaginous ; sternum 

 a cartilaginous plate. Diapophyses of sacral vertebra more or less 

 dilated. 



Distrilnttiuii. About 150 species are known, from America, 

 Australia, Papuasia, and the Pahcarctic region. 



120. Hyla annecteus. 



Polypedate;: uuuectens, Jcrdon, P. A. >S. 1> 1870, p. 64. 

 Tlyla auuejteus, Gilnth. F. Z. -S'. 187o, p. oZO; Boidein/. Cat. Balr. 

 \Sal. p. 382. 



Tongue circular, slightly nicked, and free behind. A'omerine 

 teeth in two groups on a level with the hinder edge of the choana-. 

 Head broader than long ; snout short, rounded ; canthus rostralis 

 distinct ; interorbital space as broad as the upper eyelid ; tympanum 

 distinct, about half tiie diameter of the eye. Fingers webbed at 

 the base : toes t\\ o-thirds webbed ; disks well de\ eloped. The 

 tibio-tarsal articulation reaches the tympanum or the eye. tSkiu 

 smooth above, granular beneath ; a strong tuberculated fold from 

 the eye to the shouldei-. Greeu above ; a dark, lateral streak, light- 

 edged above, ending in two or three deep black spots, separated or 

 confluent on the groui, which is bright yellow; sides of thighs with 

 deep black spots on a bright yellow ground; two outer lingers aud 



