DENDROPHRYNISCIDJi. 273 



vertex flat ; tongue large, oblong, thick, slightly emarginate behind, 

 free in its posterior half. Maxillary teeth ; palatine"^ teeth none ; 

 parotoids strong, produced much beyond the tympanum; latter 

 hardly distinct ; openings of the eustachian tubes round, perfectly 

 distinct. Fingers and toes free ; two metatarsal tubercles, mode- 

 rately developed. Diapophyses of sacral vertebra dilated, flat." 



N. l((teristri(/a, Steind. 1. c. pi. 14. f. 2. — Erazil. 



6. DENDROPHRYNISCID^. 



DeudroplnTuiscidcC, Espada, Jovii. >Sc. Lish. iii. 1870, p. Go. 

 Batracliophryuidfe, Cope, Check-list X.-Amcr. Batr. ^- liepi., Bull. 

 U.S. Nat. Mus. i. 1877. 



Maxillary teeth none. Diapophyses of sacral vertebra not dilated. 

 This family is closely related to the preceding one, from which it 

 differs only in the absence of maxillary teeth. 



1. BATRACHOPHRYNUS. 



Batrachophrynus, Peters, Mon. Bed. Ac. 1873, p. 411. 



Pupil erect. Tongue large, circular, entirely adherent. Vomerine 

 teeth none. No tympanum nor eustachian tubes. Pingers free ; 

 toes webbed, the tips not dilated. Outer metatarsals united. A 

 cartilaginous omosternum ; sternum a cartilaginous plate. Terminal 

 phalanges simple. 



Peru. 



1 . Batrachophrynus brachydactylus. 



BatrachophvTUUs brachydactylns, Peters, I. c. p. 413, pi. 3, f. 4. 



Head small, much depressed ; snout short, rounded, without can- 

 thus rostralis ; eyes obliquely directed upwards : upper eyelids 

 narrow. Fingers rather short, first and second equal ; toes mode- 

 rately long, two-thirds webbed; subarticular tubercles of fingers and 

 toes very small ; two small, scarcely prominent metatarsal tubercles. 

 The hind limb being carried forwards along the body, the tarso-me- 

 tatarsal articulation marks the tip of the snout in males, the eye in 

 females. Skin perfectly smooth. Olive above, spotted with darker. 

 Male without vocal sac. 



Peru. 



«-f^- c^ ? • High Peru. Prof. Taczanowski [P.]. 



2. Batrachophrynus macrostomus. 

 Batrachophryuas macrostomus, Peters, I.e. p. 412, pi. 2. f. 1. 

 Differs from the preceding species in the larger head, longer ante- 



