DUTCH ttORNEO-EXPEDTTlON. 189 



One single specimen from Sintang. 

 From snout to vent 50 mm., tail 43 mm. 



* 6. Hemidactylus karenorum Theob. 



Snout obtusely pointed, louger than the distance between 

 the eye and the ear-opening, l 2 / 3 the diameter of the orbit; 

 forehead slightly concave, ear-opening small, rounded. A 

 slight fold along the flanks and another bordering the hind 

 limb posteriorly. Inner digit well-developed, with 5 lamellae, 

 middle finger with 10, first toe with 6, fourth toe with 

 13 infradigital lamellae. Upper surface of body covered 

 with minute granules, intermixed with numerous small, con- 

 vex, round tubercles. Tail depressed, flat below, with sharp 

 denticulated lateral edge. 



Uniform grey above, lower parts lighter. 



Distance from snout to vent 57 mm., tail 66 mm. 



A single specimen from the foot of the Goenoeng 

 Kenepai. 



I have long hesitated whether our specimen ought to 

 be classed with H. Garnoti D. & B., but because of the 

 presence of small, convex, round tubercles between the 

 minute granules on the back, I think I am right in class- 

 ing it with H. karenorum. 



7. Hemidactylus platyurus Schneid. 

 Several specimens from Sintang. 



8. Gehyra mutilata Wiegm. 



Specimens from Sintang, Goenoeng Kenepai and by Dr. 

 Nieuwenhuis from the rivers Howong and Upper Mahakkam. 



9. Gecko monarchus D. & B. 

 Several specimens from Sintang. 



* 10. Ptychozoon Horsfteldii Gray. 



One single specimen, captured at Nanga Raoen, measuring 

 70 mm. between the tip of the snout and the vent, with 

 the tip of the tail regenerated behind the thirteenth pair 

 of lobes. 



Our specimen differs from the specimens of Ptychozoon 

 homalocephalum in our collections : in the total absence of 

 convex tubercles among the scales of the back, as well as 



Notes from the Leyden Museum, "Vol. XXV. 



