1898.] BATRAGHIANS FROM WESTEEX ECTTADOR. 125 



a prominent ridge on each side, narrower than the upper eyelid, 

 which is produced in a triangular horn-like appendage ; tympanum 

 moderately distinct, vertically oval, half the diameter of the eye. 

 Fingers free ; toes half webbed ; disks larger than the tympanum ; 

 subarticular tubercles feebly prominent. The tibio-tarsal articu- 

 lation reaches beyond the tip of the snout. Skin finely areolate 

 above and on the throat, granular on the belly and under the thighs ; 

 heel with a very small, triangular dermal appendage. Greyish 

 above, with a tinge of red on the back ; a broad dark grey median 

 stripe from the end of the snout to the vent, and a dark grey 

 lateral stripe from the eye to the groin ; two dark bars below the 

 eye ; whitish beneath, belly and lower surface of hind Hmbs marbled 

 with brown ; a round white spot at the base of each thigh, below 

 the vent. 



From snout to vent 76 millim. 



A single female specimen from Cachabe, with nine well-developed 

 young in the dorsal pouch ; these youug measure 19 millim. from 

 snout to vent, and are provided with large bell-shaped gills as 

 figured by Weinland in JSf. oviferum. 



28. Hylella parabamb^, sp. n. (Plate XVII. fig. 2.) 



Tongue circular, indistinctly nicked, and scarcely free behind. 

 Head broader than long ; snout rounded, as long as the diameter of 

 the orbit ; interorbital space broader than the upper eyelid ; tym- 

 panum distinct, one fourth the diameter of the eye. First and second 

 fingers equal ; outer fingers two thirds webbed ; toes almost entirely 

 webbed ; disks well developed, those of the fingers half the diameter 

 of the eye ; subarticular tubercles feeble. The tibio-tarsal articu- 

 lation reaches a little beyond the tip of the snout. Skin smooth ; 

 lower belly and subanal region with wide-meshed areolation. 

 Purplish-blue above (in spirit), white beneath ; a few" small darker 

 spots on the upper surface of the leg. 



From snout to vent 26 millim. 



A single specimen from Paramba. 



Apoda. 



CiECILIIDjE. 



29. CiECiLiA ISTHMICA Cope. 

 Paramba and Cachabe. 



EXPLANATION OF THE PLATES. 



Plate X. 



Fig. 1. Anolis peraccfs, p. 108. 



2. ,, elegans, p. 109. 



3. ,, chloris, p. 110. 



4. „ lemniscat'us, p. 113. 



Figs. 1«, 2a, 3a, 4a. Upper views of heads, x2. 



