110 Description of New or little knoivn 



the internal openings of the nostrils ; tympanum distinct ; 

 Eustachian tubes middling, fore fingers free ; toes completely 

 or partly webbed; subdigital disks slightly dilated; process of 

 the first os cuneiforme blunt, very minute ; males with vocal 

 sacs; sacral transversal processes not dilated. 



Limisodytes Mutabllis. n. s., nobis. 



Upper parts very changeable ; generally, of a bright green 

 above and yellow beneath ; a red line on the outer edge of 

 limbs ; sometimes of a dark chesnut on the upper parts, and 

 variegated with yellow and green on the sides and limbs. — 

 Of a more slender form than the common tree Frogs Poly- 

 pedates cruciger, and P. Leucomystax. About 2 inches long. 



Habitat. Cinnamon gardens; Cotta near Colombo. If not 

 mistaken, we have also seen this elegant frog at Nuwera Ellia. 

 In spirits the colours fade into a pale leaden hue ; the red 

 streak on the limbs disappears last. 



LlMNODYTES MaCULATA. 71. S., nobis. 



Brown, spotted and streaked with black or dark brown ; 

 beneath pale, seldom spotted. About 1\ inch long. 

 Habitat. Galle, Southern Province. 



We believe this species to be generally distributed, but have 

 before mistaken it for the young of Polypedates Leucomystax* 



FAM. BUFONIDiE. Toads. Gamedea, Sing. 



Genus. Engystoma. Gray. 



No tympanum nor parotid visible externally ; an oval body ; 

 the head and mouth very small, and feet but slightly 

 palmated. 



Engystoma Rubkum. n. s., Jerdon. 

 Synon. Engystoma cinnamomea. m. s. 



Cinnamon red, spotted black; limbs also spotted ; belly 

 whitish. Length (young) 1J inch. 



Habitat. Southern India (?) Ceylon.— 



Galle, 17 th May, 1853. 



