EKaySTOMATID.E. 489 



Family II. ENGYSTOMATID^. 



Jaws toothless : diapophyses of sacral vertebra dilated. 



This family includes terrestrial, aquatic, and burrowing types, but 

 no arboreal forms. Its range extends over Africa and Madagascar, 

 the East Indies, Southern China, Papuasia, and America. Of tlie 

 22 gejicra known at present, six are American, three African, one 

 African and Malayan, two restricted to Madagascar, three are 

 Papuasian, one JMalayan, and six are represented in India nnd 

 Eurma. 



iSi/no2>sis of InJiai). Ceylonese, and Burmese Genera. 



A. Pr?ecoracoids present. 



ft. Pupil Aertical; palate without ridges. Melaxobateachus, p. 489. 



h. Pupil horizontal; a denticulated der- 

 mal ridge between choauffi Calophrynus, p. 490. 



V>. No prjecoracoid*. 



a. Tongue elliptical ; a dermal trans- 

 verse ridge between choanoe Microiiyla, p. 491. 



h. Tongue elliptical or pyriform ; pala- 

 tine bones forming a sharp ridge 

 across palate Callui.a, p. 49:1. 



c. Tongue oval ; two small bony jiromi- 



nences between clioanaj Cacopus, p. 49^1. 



d- Tongue divided into two lateral 



halves by a deep groove GLYPiioai.ossrs, p. 497. 



Genus MELANOBATRACHUS. 

 Iteddome, P. Z. S. 1878, p. 722. 



Pupil vertical. Tongue elliptical, entire and free behind. Palate 

 smooth. No tympanic disk. Pingers free ; toes webbed, the tips 

 not dilated. Outer metatarsals united. Coracoids and pra-cora- 

 coids nearly parallel, the latter very weak ; no omosterniim ; ster- 

 nimi cartilaginous. Diapophyses of sacral vertebra moderately 

 dilated. Terminal phalanges simple. 



A single species. 



89. Melanobatrachus indicus. 



Melanobatrachus indicus, Beddomv, P. Z. <S'. 1878, p. 722 ; Boulenq. 

 Cat. Bcdr. Sal. p. 157. 



Snout short, blunt, with rather indistinct cauthus rostralis ; 

 interorbital space broader than the upper eyelid. Fingers short, 

 depressed, first much shorter than second : toes rather short, de- 

 pressed, one-third webbed ; subarticular and metatarsal tubercles 

 very indistinct. The tarso-metatarsal articulation reaches in front 



