MICROHYLA. 261 



iVom snout to vent 28 millim. 



The tadpole is transparent and almost colourless. Spiraculuni 

 and anus median ; eyes perfectly lateral ; mouth without hard 

 beak, labial teeth, or papilla?, with a simple upper lip and a 

 contractile lower one ; tail ending in a very fine point. The feet 

 are for a time completely webbed, the web disappearing when the 

 young leave the water. Total length 20 millim. 



Cashmir, India and Ceylon, Southern China to Malay Peninsula. 

 Known from Penang, Kedah, Jalor, and Kelantan. 



According to Flower, this very active, elegant frog is to be 

 found hiding during the day under stones, logs, &c., in the 

 crevices in the mud in dried-up pools, and among dead leaves. It 

 comes out at dark and seems to remain abroad all night. The 

 males have a loud croak. 



279. Microhyla butleri. 



Bouleiig. Ann. & Mag. Nat. Hist. (7) vi, p. 188 (1900); A. L. Butler, 

 Journ. Nat. Hist. Soc. Bombay, xv, p. 388 (1904). 



Habit slender. Snout rounded, as long as the orbit. Fingers 

 and toes rather slender, the tips dilated into small but well- 

 developed disks ; first finger much shorter than second ; toes 

 webbed at the base ; subarticular tubercles small ; two very small 

 metatarsal tubercles. The tibio-tarsal articulation reaches the 

 eye ; tibia 4 length of head and body. Skin smooth or with small 

 smooth warts above. Grey on the back, pale reddish on the sides 

 and limbs, with symmetrical dark brown markings forming bars 

 on the limbs ; some small scarlet spots on the sides, a whitish 

 oblique streak from tlie eye to the base of the fore limb and a 

 whitish spot on the end of the snout ; whitish beneath, throat 

 and breast speckled with dark brown. 



From snout to vent 26 millim. 



Described from a single specimen, obtained by Mr. A. L. Butler 

 in the Larut Hills, Perak, at 4000 feet elevation, along with the 

 type of M. annectens. The same species has since been re-discovered 

 in the Man-Son Mountains, Tonkin, between 3000 and 4000 

 feet. 



280. Microhyla achatina. 



Hylaplesia achatina, Boie, Isis, 1827, p. 294. 



Microhyla achatina, Tschudi, N. Class. Batr. p. 71 (1838) ; Bouleng. 



Cat. Batr. Ecaiid. p. 166 (1882) ; S. Flower, P. Z. S. 1899, p. 906 ; 



Laidlaw, P. Z. S. 1900, p. 888. 



Habit slender. Snout subacuminate, as long as or a little 

 longer than the orbit. Fingers rather slender, first much shorter 

 than second, the tips swollen into very small disks ; toes slender, 

 webbed atthe base, the tips dilated into well-developed disks ; 

 subarticular tubercles distinct; two small metatarsal tubercles. 



