£20 ZO OLOGISCHE MËDEDEELINGEN — DEEL VI ^__ 



collected in Engano, in this collection Gonatodes kandianus was present; 

 since that time this small Gecko has been found in Sipora and in Nias 

 also. Up till now it has not been known from Sumatra, though the 

 whole series of small islands, mentioned above, is situated quite near the 

 westcoast of Sumatra. 



Both specimens have the ventral scales keeled ; male with four prae- 

 anal and three femoral pores. 



3. Hemidactylus frenatus D. B. 



Sinabang II. 1913. 6 spec. 



III. 1913. 3 spec. 



„ Y. 1913. 6 spec. 



YI. 1913. 2 spec. 



VII. 1913. 9 spec. (2 juv.). 



Lasikin IV. 1913. 2 spec. (1 juv.). 



Pulu Pandjang in Sinabang Bay V. 1913. 1 spec. 



Labuan Badjau VI. 1913. 1 spec. 



Sibigo VIII. 1913. 3 spec. 



Common throughout the whole of the Archipelago, Southern India, 

 Philippines, China, the Bismarck Archipelago; South Africa, Somali and 

 Madagascar. 



4. Hemiplnjllodactyhis typus Blkr. 



Sinabang VII. 1913. 1 spec. (9). 



Distribution. Nias, Sumatra, Borneo, Java. 



5. Gecko monarchus (D. B.). 



Sinabang VI. 1913. 1 spec, ((ƒ■). 

 VII. 1913. 3 spec. (<ƒ). 



Common house-gecko. 



6. Ptychozoon homalocephalum (Crev.). 



Sinabang 1912. 1 spec. (9). 



III. 1913. 1 spec. (9). 

 Lugu VIII. 1913. 1 spec, (<ƒ). 



Occurring only in the western part of the Archipelago. Differing at 

 first sight from the other species Pt. horsfieldi (Gray) in having a broad 

 rounded flap at the end of the tail. 



