414 MR. G. A. BOULENGER ON ORIENTAL [Apr. 28^ 



as long, usually defined behind by a more or less distinct trans- 

 verse fold ; snout truncate in j^rofile, pointed from above, and 

 projecting beyond lower jaw, as long as or a little shorter than 

 eye ; canthus rostralis sharp ; loreal region vertical or a little 

 oblique, concave ; nostril equally distant from eye and from end 

 of snout ; interorbital space concave, its width 1 1 to 2 times that 

 of upper eyelid (narrower in the veiy young) ; tympanum often 

 hidden ; if distinct, its diameter ^ to § that of eye, from which it 

 is widely separated. Fingers obtuse or feebly swollen at the end, 

 first as long as or a little longer than second, which measures | to 

 I length of third ; no subarticular tubercles ; no distinct meta- 

 carpal tubercles. Toes rather short, obtuse or feebly swollen at 

 the end, with a mere rudiment or web or, at most, | webbed * ; 

 no subarticular tubercles ; a flat, very indistinct inner metatarsal 

 tubercle. Tibio-tai'sal articulation reaching the shoulder or the 

 commissure of the jaws f ; tibia 5 to | length from snout to vent ; 

 foot a little shorter than tibia. Skin of upper parts smooth or 

 with a few scattered warts ; adult with bony deposits on the head 

 and anterior part of the back, which may completely fuse with the 

 skull, and form a bony shield on the presacral part of the body ; 

 a glandular fold from eye to shoulder, sometimes contmued on the 

 side of the body ; another fold usually present higher up on the 

 back, from behind the head to the sacral region ; frequently, but 

 not constantly, a subconical tubercle on the scapular region and 

 another in the middle of the sacral region ; similar tubercles, 

 exceptionally, on the head ; ripper eyelid with a sharp, raised 

 edge, pi'oduced into a long point or " horn," which is at least ^,. 

 and often qviite, as long as the eye in the adult ; a similar, but 

 shorter appendage on the end of the snout, and a still smaller one 

 at the angle of the jaws ; limbs with or without oblique transverse 

 glandular ridges ; lower jaarts smooth, or belly with small tubercles. 

 Olive-brown above, uniform or variously marked with darker and 

 lighter ; a more or less distinct Y-shaped dark marking between 

 the eyes and on the occiput ; a dark oblique bar below the eye ; 

 lower parts dark brown, or spotted or marbled with dark brown. 

 Male with an internal vocal sac. 



Measurements of two specimens from Sumatra, found pairing 

 by Dr. H. 0. Forbes :— 



d. ?. _ 



From snout to vent 82 125 millim. 



Length of head (to occiput) 24 36 ,, 



Width of head 41 60 „ 



Length of snout 8 12 ,, 



Diameter of eye 7 11 ,, 



Interorbital width 13 20 ,, 



Diameter of tympanum 4 6 ,, 



Distance between eye and tympanum ... 8 16 ,, 



* Tsenschmid (1. c.) describes a specimen from Sumatra in which the toes are- 

 nearly half webbed. 



t The eye in a specimen from Sumatra, according to Isenscliuiid {I. c). 



