446 



ME. G. A. BOtXLENGER OX THE 



[May 8, 



The family Dendrobatidce, which may be defined as Ranidce 

 without teeth, was previously represented by two genera only : 

 Dendrobates, from Tropical America, with the tongue elongate and 

 entire and without bony style to the sternum ; and Mantella, from 

 Madagascar, with the tongue elongate and nicked behind and 

 with a bonv style to the sternum. 



39. Cardioglossa gracilis, sp. n. 



Fig. 2. 



Cardioglossa gracilis. 



Head much depressed, a little longer than broad ; snout longer 

 than the orbit, truncate at the end, scarcely projecting beyond the 

 mouth; canthus rostralis distinct ; loreal region concave; nostril 

 near the end of the snout ; eye rather small ; interorbital space 

 much broader than the upper eyelid ; tympanum very distinct, 

 two-thirds or three-fourths the diameter of the eye. Fingers and 

 toes long and slender, the tips dilated into small disks; subarticular 

 tubercles small but very prominent ; first finger not extending 

 quite as far as second ; a rather prominent, moderately large, oval 

 inner metatarsal tubercle. The tibio-tarsal articulation reaches 

 the tip of the snout or a little beyond. Dark brown above and 

 beneath ; a black band, edged beneath with white, extends on each 



