G. A. UOrLEXGtìU 



7. Memi dactyl US boavistensis, sp. n. 



Closely resembling H. bouvierl in form and scaling , l)ut 

 digits rather more elongate and with more numerous lamellae , 

 \"iz. ^ or under the inner digit and 6 to 8 under the third and 

 faurth, and tlu^ pair of chin-shields behind the symphysial usually 

 larger. Yellowish, reddish, or pale greyish brown above, usually 

 speckled with dark brown and with five curved and wavy, 

 l)rown, dark-edged cross- bands, the first from eye to eye across 

 the occiput, the second on the nape; these bands may be inter- 

 rupted by a series of dark brown spots along the middle of the 

 back, or they may be very indistinct altogether: a dark brown 

 streak on each side of the snout, with a yellowish streak above 

 it; tail with more or less distinct crescentic dark bands above; 

 low^er parts wliite. 



In ff. bouolerl, the light streaks on the snout are absent and 

 the dark ])and on the side of the liead is prolonged as far as the 

 nuchal dark band. 





0^ 



9 



Total length .... 



. . . millim. 81 



83 



Head 



...» 14 



15 



Width of head . . . 



...» 10 



11 



Body 



... >) 28 



29 



Fore limb 



...» U 



U 





...» 18 



19 



Tail 



... « 89 



39 



Several specimens from Boa Vista, from sea level to 600 m. 

 altitude. 



8. Hemldactylus mabouia, Mor. 



S. Thome : In town and up to 300 m. 



9. Hemidactylus greeffii, Bocage. 

 S. Thome and Prince's Islands. 



A yery distinct species, characterized by the absence of clawed 

 phalanx to the first finger, and by the pointed tubercles forming 

 a regular serration along each side of the body and tail. 



10. Hemidactylus echinus, 0' Sli. 

 French Congo: Fernand Yaz. 



11. Hemidactylus fasciatus, Gray. 

 French Congo: Fernand Yaz. 



