446 Mr. G. A. Boulenger on 



scales on the snout; ventral scales small, smooth, imbricate, 

 enlarged on the umbilical region, about 20 across the middle 

 of the belly. Thighs scaled like the back ; fore limb and 

 crus with subequal, small, obtusely keeled tubercles. Tail 

 feebly swollen at the base, with rings of spine-like conical 

 tubercles, tapering to a fine point. Reddish brown above, 

 with four dark brown stripes along the body, the median pair 

 with wavy outer borders ; a dark brown stripe from the eye 

 to the outer dorsal stripe ; tail blackish brown, with light 

 cross- bands; lower parts brown. 



millim. 



Total length 118 



Head 19 



Width of head 11 



Body 43 



Fore limb 27 



Hind limb 34 



Tail 56 



A single female specimen from Madagascar. 



Diplodactylus porogaster. 



Head once and a half as long as broad, the skin confluent 

 with the cranial ossification ; middle and sides of snout and 

 interorbital region concave ; ear-opening small, roundish. 

 Limbs moderate ; digits moderate, granular inferiorly, feebly 

 dilated at the end ; the granules replacing the subdigital 

 lamella3 forming two or three longitudinal series. Upper 

 surface of head with hexagonal, juxtaposed, strongly keeled 

 tubercles, largest on the snout ; temporal region with granules 

 and feebly enlarged tubercles. Rostral twice as broad as 

 deep, widely separated from the nostril ; 12 upper labials, 

 first largest, not entering the nostril ; 10 lower labials ; sym- 

 physial in contact with a pair of small chin-shields. Body 

 covered above with rather large keeled granules, intermixed 

 with strongly keeled subtrihedral tubercles. Ventral scales 

 juxtaposed, granular anteriorly, strongly enlarged in the 

 umbilical region, where each scale presents a large pore-like 

 pit, as in some male Agamas. Limbs with feebly enlarged 

 tubercles. Tail swollen, tapering to a fine point, with trans- 

 verse series of large trihedral tubercles above. Greyish above, 

 back with four longitudinal series of elongate brown spots ; 

 a dark brown stripe on each side of the head, passing through 

 the eye ; lips white, with vertical brown bars ; whitish 

 beneath, belly densely speckled with brown, throat with 

 brown vermiculations. 



