430 ON A GENUS OF ORIENTAL BATRACHIANS. [Apr. 28. 



posterior half of upper surface and sides of head blackish brown ; 

 a curved light streak, the concavity turned forwards, across upper 

 eyelids and interorbital region, followed by a Y-shaped blackish 

 marking ; two light spots on upper lip, below eye ; large blackish- 

 brown partly confluent spots on the back ; sides dark brown, 

 light-edged above ; limbs dark brown, with rather indistinct 

 darker cross-bars ; thi'oat brown, belly brownish white. 



From snout to vent 65 millim. 



Length of head (to occiput) 16 „ 



Width of head 28 „ 



Length of s no vit 4 ,, 



Diameter of eye 6 ,, 



Interorbital width 10 ,, 



Diameter of tympanum 3| ,, 



Distance between eye and tympanum... 7 ,, 



Fore limb 40 ,, 



Hand 18 ,, 



Hind limb 85 „ 



Tibia 27 „ 



Foot 27 „ 



Known from a single female specimen, full of I'ipe eggs 3 millim. 

 in diameter, discovered by Dr. Hanitsch on Mount Kina Balu, 

 Borneo, at an altitude of 4200 feet. 



EXPLANATION OF THE PLATES. 



Plate XXII. 



a. Megalophrys nasuta, p. 411. Brunei, Borneo. 



h. Side view of head of a. 



e. Head of specimen from Penang. 



PlATE XXIII. 



3fegalop7iri/s major, p. 416. Type. 

 With side view of head. 



Plate XXIV. 



Megalopliri/s robtista, p. 418. Type. 

 With side view of head. 



Plate XXV. 



Pig. 1. 3fec/alop7irt/s gracilis, 11. 42\. Tj-pe. 

 1 a. Side view of head. 

 1 b. Lower view of hand, X2. 



1 c. „ „ foot, X 2. 



Fig. 2. Ilegalophrys heteropus, p. 422. Type. 



2 a. Side view of head. 



Fig. 3. Megaloplirys liasseltli,\). 4,25. Java. 



3 a. Side view of head. 



