BATBACHIANS OF THE MALAY PENINSULA. 389 



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. Skin smooth. 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 the 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 21 millim. 



" Closely allied to M. achaiina. Distinguished by the shorter limbs." 



Type in British Museum. 



36. MiCROHYLA ACHATINA, Boie. 



Microhyla achaiina, Boulenger, Cat. Batr. Sal., p. 166 ; S. S. Flower, 

 P. Z. S., 1899, p. 90o ; Laidlaw, P. Z. S., 1900, p. 888. 



Has been obtained in the Peninsula from Malacca (Hervey) ; from 

 Penang and Perak (Flower) ; and from Rhaman and Kelantan by the 

 *' Skeat Expedition." Flower describes it as " a very active frog, at 

 times taking very sudden long hops like a grasshopper, at others using 

 its dilated digital disks in climbing like a true tree-frog. 



Distribution — " Tonasserim, Siam, Malay Peninsula, Sumatra, Java, 

 M alaccas " ( Flowei ). 



37. Microhyla annectens, Blgr. 



Microhyla annectens, Boulenger, Ann. and Mag. Nat. Hist. (7) 

 Vol. VI., Aug. 1900, p. 188. 



I obtained the type specimens of this diminutive frog at the margin 

 of a small pond in jungle on the Larut Hills, at about 4,000 feet ele- 

 vation. Altogether I got nine of them, and could easily have obtained 

 many more. When disturbed they at once jumped into the water 

 usually rising with eyes above the surface a few seconds later. 



Habits diurnal. 



Description (Mr. Boulenger's). — " Habit slender. Snout rounded 

 as long as the orbit ; interorbital space broader than the upper 

 eyelid. Fingers and toes moderately slender, the tips dilated into 

 rather large disks ; first finger much shorter than second ; toes 

 half-webbed ; subarticular tubercles feebly prominent ; a very small 

 inner metatarsal tubercle. Hind limb remarkably long, the tibio- 



