ENOTSTOMATIDJE. 489 



Family II. ENGYSTOMATID.E. 



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 the 

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

 African and Malayan, two restricted to Madagascar, three are 

 Papuasian, one Malayan, and six are represented in India and 

 Burma. 



is of Indian, Ceylonese, and Burmese Genera. 



A. Praecoracoids present. 



a. Pupil vertical; palate without ridges. MELAXOBATRACHUS, p. 489. 



b. Pupil horizontal ; a denticulated der- 



mal ridge between choanse ...... CALOPHRYNUS, p. 490. 



B. No prsecoracoids. 



. Tongue elliptical ; a dermal trans- 



verse ridge between choante ...... MICHOHYLA, p. 491. 



b. Tongue elliptical or pyriform ; pala- 



tine bones forming a sharp ridge 



across palate .................. CALLULA, p. 493. 



c. Tongue oval ; two small bony promi- 



nences between choanse .* ....... CACOPUS, p. 490. 



d< Tongue divided into two lateral 



halves by a deep groove ........ GLYPHOGLOSSUS, p. 497. 



Genus MELANOBATRACHUS, 

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



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

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

 not dilated. Outer metatarsals united. Coracoids and praecora- 

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

 num cartilaginous. Diapophyses of sacral vertebra moderately 

 dilated. Terminal phalanges simple. 



A single species. 



89. Melanobatrachus indicus. 



Melanobatrachus indicus, Beddome, P. Z. S. 1878, p. 722 ; Bouleng. 

 Cat. Satr. Sal. p. 157. 



Snout short, blunt, with rather indistinct canthus rostralis ; 

 interorbital space broader than the upper eyelid. Fingers short, 

 depressed, iirst 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 



