1020 



MR. G. A. BOULENGER OX 



BATRAOHIA. 



A POD A. 



1. CECILIA ISTHMICA Cope. 



Known from the Isthmus of Darien and AYestern Ecuador . 



2. CECILIA INTERMEDIA, sp. n. (Text-fig. 174.) 

 Intei^mediate betAveen C. tentaculata L. and C. pachynem,a Gthr. 



Snout as in the former, more strongly projecting than in the 

 latter. Outer mandibular teeth larger than in the former and 

 smaller than in the latter. Snout rounded, very prominent, as 

 long as the distance between the eyes ; tentacle on the lower 

 surface of the snout, nearer the edge of the mouth than the 



Text-fiff. 174. 



CcBcilia intermedia. 



A. Side view of liead. B. Lower view of head and anterior extremity of bodj'. 

 C. Lower view of posterior extremity of body. 



nostril. Body cylindrical, its diameter 43 to 56 times in the 

 total length. 200 to 250 circular folds, mostly widely interrupted 

 on the back and on the belly ; from the posterior fourth of the 

 body short intermediate folds appear and gradually extend across 

 the back ; the last 60 to 80 folds close together and complete on 

 the back, the 15 to 30 hindermost completely encircling the body. 

 Uniform' blackish ; head of young yellowish or pale brown. 



I have examined six specimens of this species, which was 



