450 CHAM.ELEONTID^. 



millim. millim. 



Total length 20(j 2U7 



From end of snout to extremity of man- 

 dible 24 25 



From end of snout to extremity of casque . 32 32 

 Greatest width between lateral cranial 



crests 15 14 



Depth of skull (mandible included) 22 22 



AVidth of head 18 20 



Eody 72 82 



Tibia 21 23 



Tail 110 100 



"West Africa ; Xatal, 



a. c?. Camaroons. D. G. Rutherford, Esq. [C.]. 



b. 5 • Gaboon. 



c. 2 • Natal. Rev. H. Callaway [P.]. 



d. 2 . Natal. Mr. T. Ayres [C.]. 



e. Hgr. Natal. 



/. Yg. S. Africa. 



9. ChamsBleon dilepis. (Plate XXXIX. fig. 6.) 



Cliamseleo dilepis, part., Grai/, Cat. p. 266. 

 Chamaeleo dilepis, Leach, in Botcdich, Ashantee, p. 493 ; Bianc. Sjjec. 



Zool. Mosanib. p. 7 ; Bocac/e, Jorn. Sc. Lisb. i. 1866, p. 69, and iv. 



1872, p. 73 ; Peters, Reise n. Mossamh. iii. p. 21. 



bilobus, Kuhl, Beitr. Zool. Vergl. Anat. p. 104. 



? Chamaeleon planiceps. Men: Tent. p. 162. 



Chamseleo dilepis, part., Grm/, Spicil. Zool. p. 2, pi. iii. fig. 5 j Dum. 



^- Bibr. iii. p. 225 ; Gray, Proc. Zool. Soc. 1864, p. 472. 

 Chamaeleon petersii, Graj/, Proc. Zool. Soc. 1864, p. 470. 

 Chamoeleo capellii, Bocaye, Jorn. Sc. Lisb. i. 1866, p. 59. 



Casque feehly raised posteriorly ; parietal crest indistinct or feeble ; 

 the distance between the commissure of the mouth and the extremity 

 of the casque nearly equals the length of the mouth ; no rostral 

 appendages ; lateral crest strong ; occipital lobes very large, in 

 contact in the median line behind the casque ; scales on the occipital 

 lobes large. Granules on the body subequal, rather large ; a series of 

 larger tubercles forms a feebly serrated dorsal crest ; a very distinct 

 gular-ventral crest. Male with a tarsal process or spur. Tail as 

 long as, or a little longer than, head and body. Gular-ventral crest 

 white; usually a pale streak on each side from the axilla, not 

 reaching the groin ; frequently a whitish spot above each shoulder, 

 behind the occipital lobe. 



S, $. 



millim. millim. 



Total length 250 305 



From end of snout to extremity of man- 

 dible 32 35 



