1898.] BATRACHIANS FROM WESTERN ECUADOR. 123 



BUFONIDJE. 



18. BuFO H^MATiTicus Cope. 

 Cachabe. 



19. BUFO GLABEEEIMUS Grthl'. 



Paramba and Cachabe. 



The largest specimen measures 145 millim. from snout to vent. 

 Young pale greyish above, spotted or marbled with black. 



20. BuFO MAEINUS L. 



Chimbo. 



21. Bttfo typhonius L. 

 Paramba and Cachabe. 



22. BuFO CONIFERUS Cope. 



Cachabe. Numerous specimens. 



The supraorbital, postorbital, and parietal ridges form a regular 

 A-shaped figure, the two latter being at right angle to each other ; 

 interorbital space broader than the upper eyelid ; tympanum two 

 thirds to three fourths the diameter of the eye. The tarso-meta- 

 tarsal articulation reaches the tip of the snout or between the 

 latter and the eye. Pirst finger shorter than second. Toes half 

 or two thirds webbed ; subarticular tubercles single. Male with 

 an internal vocal sac and black nuptial excrescences on the inner and 

 second finger. Brown or olive above, with more or less distinct 

 large blackish insuliform spots ; some specimens uniform blackish 

 above ; throat and breast dark brown in the males. 



From snout to vent 88 millim. 



23. Hyla rosenbeegi, sp. n. (Plate XVI.) 



Tongue subcircular, entire, adherent. Vomerine teeth between 

 the very large choause, in two angular series forming together a 

 A-sbaped figure. Head much depressed, a little broader than long ; 

 snout rounded, a little longer than the diameter of the orbit ; canthus 

 rostralis indistinct ; loreal region very oblique, concave ; interorbital 

 space as broad as the upper eyelid ; tympanum very distinct, 

 circular, three fourths to four fifths the diameter of the eye. 

 Three outer fingers entirely webbed ; a distinct rudiment of pollex, 

 much developed in the male ; toes entirely webbed ; disks of 

 fingers and toes large, three fifths to two thirds the diameter of the 

 eye ; subarticular tubercles very prominent ; two feeble folds along 

 the tarsus. The tibio-tarsal articulation reaches a little beyond 

 the tip of the snout. Upper surface granulate and with small, 

 round, pearl-like warts ; no dermal appendage to the heel • 

 throat, belly, and lower surface of thighs covered with small 



