470 CHAM^LEONTID^. 



39. Chamaeleon owenii. 



Chamseleo OAvenii, Gray, Cat. p. 269. 

 Chamseleo owenii, Graif, Griff. A. K. ix. Si/n. p. 54, and Z'lol. Misc. 

 p. 7, pi. iv. ; Buchhob, Man. Berl. Ac. 1874, p. 85. 



tricornis, Dum. 6i- Bibr. iii. p. 227. 



bibronii, Martin, Pruc. Znol. 6'oc. 1838, p. 05. 



Chamteleon (Triceras) owenii, Fitzing. Syst. litpt. p. 42. 

 Triceras owenii, Gray, Proe. Zool. Soc. 1864, p. 477. 



Casque scarcely raised above the vertebral line, with the crests 

 vcrj' indistinct ; the distance between the commissure of the mouth 

 and the extremity of the snout is less than the length of the mouth ; 

 no distinct canthus rostralis ; male with three long, conical, smooth, 

 horny processes din'cted forwards or upwards and forwards, viz. 

 one in front of each orbit, the other on the snout ; the rostral horn 

 usually longer than the prseorbitals ; no trace of these appendages 

 in the female ; a very small occipital dermal lobe on each side of the 

 occiput, close to the vertebral line. Body finely and uniformly 

 granular ; no dorsal, gular, or ventral crest. No tarsal process. 

 Tail much longer than head and body. 



6. 2- 



millim. millim. 



Total length 296 234 



From end of snout to extremity of man- 

 dible 23 21 



From end of snout to extremity of casque 31 27 



Rostral horn 16 — 



Praeorbital horn 14 — 



Depth of skull (mandible included) 19 16 



"Width of head 16 14 



Body 98 78 



Tibia 20 15 



Tail 175 135 



Camaroon to Gaboon. 



a,b. c? . Fernando Po. Dr. J. E. Gray [P.]. (Tvpes.) 



c. § . Fernando Po. Dr. J. E. Gray [P.]. (Type 



of C. bibronii.) 



dr-f. S & yg- Fernando Po. Zoological Society. 



g. Yg. Fernando Po. Mr. Fraser [C.]. 



h. c? . Caniaroons. D. G. Kutherford, Esq. [C.]. 



i. 5 • Gaboon. 



k. 2 • W. Africa. Miss Fisher [P.]. 



/. J . W. Africa. 



40. Chamaeleon montium. 



Chamseleo montium, ^?/67j/(o/z, Mem. Berl. Ac. 1874, pp. 88 & 30], 

 pi. — . figs. 1-4; Giinfh. Proc. Zoo!. Soc. 1874, p. 442, pi. Ivi. 



Casque raised and obtusely pointed posteriorly, without parietal 

 crest : the distance between the commissure of the mouth and the 



