MICROHYLA. 491 



Genus MICROHYLA, 

 Tschudi, Class. Batr. p. 71, 1838. 



Pupil vertical. Tongue elliptical, entire, free behind. A more 

 or less distinct cutaneous ridge across the palate between the 

 choanae, and another in front of the oesophagus. Tympanum 

 hidden. Fingers free ; toes more or less webbed, sometimes very 

 slightly ; tips of fingers and toes blunt or more or less dilated. 

 Outer inetatarsals united. No praecoracoids ; no omosternum ; 

 sternum cartilaginous. Diapophyses of sacral vertebra moderately 

 dilated. Terminal phalanges simple. 



Distribution. This genus is restricted to China and the East 

 Indies ; 7 species are known, three of which are found in India, 

 Ceylon, and Burma. 



fti/nopsis of Indian, CeyloneM, and Burmese Species. 



Toes webbed at base; metataraal tubercles 



strong, compressed M. rvbra, p. 491 . 



Toes webbed at base ; metatarsal tubercles 



very small M. ornata, p. 491. 



Toes entirely webbed M. benlmorii, p. 492. 



91. Microhyla rubra. 



Engystoma rubrum, Jerdon, J. A. S. B. xxii, 1853, p. 534. 

 Microhyla rubra, Bouleny. Cat. Batr. Sal. p. 164. 



Habit stout. Snout rounded, a little shorter than the diameter 

 of the orbit ; interorbital space broader than the upper eyelid. 

 Fingers moderate, first much shorter than second ; toes moderate, 

 one-third webbed ; tips of fingers and toes not swollen ; subarticular 

 tubercles very distinct ; two rather large, oval, compressed, very 

 prominent metatarsal tubercles, outer somewhat larger than inner. 

 The tibio-tarsal articulation reaches somewhat beyond the shoulder, 

 never to the eye. Skin smooth. Reddish brown above, sides 

 darker; a dark brown line from the tip of the snout through the 

 eye along the side of the back to the groin ; a dark brown mark 

 across the thigh, beginning on the loin ; limbs with more or less 

 distinct dark cross bars ; sometimes a dark X~ sna P e( i marking on 

 the anterior portion of the back, commencing between the eyes ; 

 beneath whitish, immaculate or with a few brown dots on the 

 throat. Male with a subgular vocal sac, and the throat black. 



From snout to vent 1*2 inches. 



IIal>. Assam. Xcllore, Madras Presidency, and Ceylon. 



92. Microhyla ornata. 



Engystoma ornatum, Dum. $ Bibr. Erp. Gen. viii, p. 745. 

 Engystoma carnaticum, Jerdon, J. A. S. B. xxii, 185-'!, p. 5-'>4. 

 ? Engystoma malabaricum, Jerdon, I. c. 

 Diplopelma ornatum, Gilnth. Rept. B. I. p. 417. 

 Microhyla ornata, Bouleng. Cat. Batr. Sal. p. 165. 



