288 AGAMID^. 



Total length 419 miUim. 



Head 35 „ 



Width of head 24 „ 



Body 89 „ 



Fore limb 75 „ 



Hind limb Ill „ 



Tail 295 „ 



Borneo. 

 a,b. cJ . Labuan, L. L. Dillwyn, Esq. [P.]. (Types.) 



7. Gonyocephalns borneensis. 

 Lophyrus bornensis, Schleg. Bijdr, tot de Dierk. i. p. 6, pi. ill. fig. 2. 



Size and habit of O. Jcuhlii. Nuchal crest and anterior portion of 

 the dorsal composed of very long and linear scales as in O. sumct- 

 tranus, but not extending forwards beyond the posterior border of 

 the occiput. Supraciliary edge not very projecting, not angular. 

 Ventral scales keeled. 



Borneo. 



8. Gonyocephalus bellii. 



Lophyrus bellii, Dum. (^ Bibr. iv. p. 416 ; Peters, Man. Berl. Ac. 

 1867, p. 16. 



Tympanum nearly entirely covered with scales. Upper head- 

 scales small, keeled ; two subconical tubercles on the occiput. Gular 

 sac small, without serrated anterior edge ; gular scales equal, smooth. 

 Nuchal and dorsal crests continuous, commencing on the occiput; 

 the crest is composed of lanceolate spines with two or three rows of 

 smaller keeled spines on each side at its base, which gradually 

 decrease in size on the back. Dorsal scales small, keeled, with the 

 points turned upwards and backwards, intermixed with irregularly 

 scattered enlarged ones ; ventral scales strongly keeled. The ad- 

 pressed hind limb reaches nearly the tip of the snout. Tail com- 

 pressed, anteriorly with serrated upper edge ; its length more than 

 twice that of head and body. Brownish above, whitish-spotted; 

 crest greenish grey ; tail with regular dark annuli. 



Total length 487 millim. 



Head 45 „ 



Body • 107 „ 



Fore limb 90 „ 



Hind limb 135 „ 



TaU 335 „ 



Bengal. 



9. Gonyocephalns sophiaD. 



Tiaris bellii, (non D. Sf B.) Gray, Cat. p. 239. 



Tiaris sophise, Gi-aj/, I. c. p. 240. 

 Tiaris petersii, Gilnth. Zool. Bee. iv. p. 136. 

 sophise, Ounih. Proc, Zool. Soc, 1872, p. 593, pi. zxxvii. f. 0. 



