436 EANID^. 



b". No vomerine teeth Micrixalus, p. 464. 



c". Vomerine teeth ; pupil vertical . Nyctibatbachus, p. 467. 

 b'. Toes free ; outer metatarsals bound 

 toj^-ether or separated by a groove. 



a". Pupil vertical Nannobatrachus, 'p. 468. 



b". Pupil horizontal Nannophbys, p. 469. 



B. An intercalary ossification between the 

 distal and penultimate phalanges ; ex- 

 tremity of penultimate phalanx v?ell 

 indicated externally (fig. 128, 1). 



a. Vomerine teeth , . . Rhacophorus, p. 470. 



b. No vomerine teeth Ixalus, p. 481. 



Genus OXYGLOSSUS, 



Tscbudi, Class. Batr, p. 85, 1838. 



Pii])!! horizontal. Tongue narrow, entire and free behind. 

 Yonierine teeth none. Tympanum indistinct, dingers free ; toes 

 webbed, the tips not dilated into regular disks. Outer metatarsal 

 separated by web. Omosteruum with a bony style ; ster-num a 

 cartilaginous plate. 



Fig. 129. — Oxyglossus lima. Opeu moutli and pectoral arch. 



Distribution. Southern China and Burma to the Malay Archi- 

 pelago. 



Three species are known, of small size and thoroughly aquatic. 



Synopsis of Indian and Burmese Species. 



Tongue pointed behind O. lima, p. 436. 



Tongue rounded behind O. Icevis, p. 437. 



1. Oxyglossus lima. 



Rana lima, Gravenh. Delic. Mus. Zool. Vratisl. p. 41. 

 Oxyglossus lima, Txchudi, Class. Batr. p. 85 ; Gi'mth. Eept. B. I. 

 p. 401 ; Bouleng. Cat. Batr. Sal. p. 5. 



Tongue elongate, extensi^'ely free and pointed behind. Habit 

 stout. Head small ; snout short, rather pointed, without eanthiis 

 rostralis ; iuterorbital space very narrow, much narrower than the 

 uppei" eyelid, dingers rather slender, acutely pointed, first not 

 extending beyond second ; toes pointed, fourth not very much 

 longer thaia third and fifth, broadly webbed ; subarticular tubercles 



