1847.] Malayan Peninsula and Islands. 1063 



Length of the' head, 0| inch. 



* Ditto ditto trunk, If 



Ditto ditto anterior extremities, If 



Ditto ditto posterior, 4f 



Gen. Polypedates, Tschudi, ajpud Dumeril and Bibron. 

 Terminal joints of the fingers and toes widened into a large disk ; 

 fingers slightly webbed at their base ; Eustachian tubes large ; in other 

 particulars resembling Limnodytes. 



Polypedates leucomystax, (Gravenhorst.) 



Syn. — Hyla maculata, Gray, Illust. Ind. Zool. 

 Hyla leucomystax, Gravenhorst. 

 Polypedates leucomystax, Tschudi, apud Dum. and Bibr. 



Upper parts changeable : buff, ashy grey, chocolate brown, tinged 

 with rose-or lilac, minutely or largely spotted with black. Upper lips 

 white. A blackish band occupying the sides of the head, from the 

 muzzle to tympanum. Beneath whitish or grey, uniformly, or minutely 

 dotted with black. Posterior surface of the thighs blackish or vermi- 

 culated with white. Iris silvery or buff; pupil horizontally rhom- 

 boidal. 



Habit. — Pinang, Singapore, Malayan Peninsula. 

 Malabar and Coromandel Coast, Bengal. 



This species has the power of changing its colours as above described. 

 Although it inhabits Singapore and the sultry plains of Bengal, it appears 

 not to occur in the valleys at Pinang, but to affect the hills, at an elevation 

 of more than 2000 ft,, with a mean annual temperature of about 71° 



Length of the head, Of inch. 



Ditto ditto trunk, If 



Ditto ditto anterior extremities, If, 



Ditto ditto posterior, 4f 



FAM. BUFONIDiE, Fitzinger. 

 Gen. Bufo, Laurenti. 

 Body inflated ; skin warty ; parotids porous ; toes united by a rudi- 

 mentary membrane ; no teeth. 



Bufo melanostictus, Schneider. 



Syn. — Bufo scaber, Daudin. 



Bufo bengalensis, Daudin. 



