MEGALOPHRTS. Zt I 



A. Head at least once aud a half as broad 



as long (to occiput) ; tibio-tarsal 

 articulation not reaching eye ; tym- 

 panum iiiddeu or feebly distinct. 

 End of snout "without or with a mere indication 



of a dermal appendage ; outer border of 



upper eyelid produced in the adult into a 



pointed appendage, which does not, as a 



rule, measure more than half diameter of 



eye M. montana, p, 277. 



Snout terminating in a pointed dermal ap- 

 pendage ; outer border of upper eyelid 



produced into a pointed appendage, which is 



at least f diameter of eye in adult M. nasiita, p. 279. 



B. Head once and one fourth as long as 



broad ; tibio-tarsal articulation 

 reaching beyond tip of snout ; tym- 

 panum distinct ; upper eyelid with a 

 horn-like tubercle M. lonrjipes, p. 280. 



II. Snout rounded or feebly truncate, not or 

 but feebly projecting beyond lower jaw ; 

 no vomerine teeth. 



A. Tibio-tarsal articulation reaching eye or 



beyond ; tympanum perfectly distinct. 



Tibio-tarsal articulation reaching tip of snout ; 



snout rounded M. gracilis, p. 281. 



Tibio-tai'sal articulation reaching eye ; snout 



truncate M. heteropiis, p. 281. 



Tibio-tarsal articulation reaching eye or be- 

 tween eye and nostril ; snout rounded .... 31. pelodi/foides, p. 282. 



B. Tibio-tarsal articulation reaching 



shoulder ; tympanum feebly distinct 



or hidden M. hasseltii, p. 282. 



296. Megalophrys montana. 



Kuhl, in Fdrussac, Bull. Sc. Xat. ii, p. 83 (1824) ; Bouleng. Cat. 



Batr. Ecaud. p. 442 (1882) ; Laidlaw, P. Z. S. 1900, p. 889 ; 



Annand. Fascic. Malay., Zool. i, p. 275 (1903); A. L. Butler, 



Journ. Nat. Hist. Soc. Bombay, xv, p. 399 (1904) ; Boideng. 



P.Z. S. 1908, p. 411. 

 Meqalojihrys mo)itana, part., Giiutli. Kept. Brit. Ind. p. 413 



(1864). 

 Megaloiilvnjs montana, var. uceras, Bouleng. Fascic. Malay., Zool. 



i, p. 131, pi. V, tig. 1 (1903). 



Tongue entire or feebly nicked behind. Vomerine teeth usually 

 present, in two Avidely separated small groups just behind the level 

 of the choanse. Head large, Ih to 1| times as broad as long, 

 usually defined behind by a more or less distinct transverse fold ; 

 snout truncate or obtusely pointed, projecting beyond lower jaw, 

 as long as or a little shorter than eye ; canthus rostralis sharp ; 

 loreal region vertical or a little oblique, concave ; interorbital space 

 concave, its width 1.4 to 2 times that of upper eyelid ; tympanum 



