1. CHAMiELEON. 453 



vertebral line forming two series ; a series of conical enlarged 

 granules forms a crest from chin to vent. No tarsal process. Tail 

 slightly longer than head and body. A white line from chin to 

 vent. 



Total length 210 millim. 



Mossamedos, South-west Africa. 



13. ChamaBleon lateralis. 



Chamfcleo lateralis, Gray, Cat. p. 264. 

 Chamteleo lateralis, Gray, Griff. A. K. ix. Syn. p. 53 ; Dum. ^ Bibr. 



iii. p. 220 ; A. Dum. Arch. Mus. \\. pi. xxii. fig. 6. 

 Apola lateralis, Gray, I'roc. Zool. Soc. 1804, p. 473. 



Casque feebly elevated, with strong parietal crest ; the distance 

 between the commissure of the mouth and the extremity of the 

 casque equals about the distance between the former point and 

 the nostril ; no rostral appendages ; a strong lateral crest, lost 

 on the sides of the occiput ; no trace whatever of occipital lobes. 

 Granules of the body uniform or intermixed with more or less 

 distinctly enlarged ones ; no dorsal crest, ihe granules on the 

 vertebral line forming two series ; a series of conical enlarged 

 granules forms a small crest on the median line of the throat, which 

 is lost on the belly. No tarsal process. Tail as long as, or a little 

 longer than, head and body. A white line from chin to vent ; 

 another along each side of the body, nearer the vertebral than the 

 dorsal line. 



6. 5- 



millim. millim. 



Total length 200 158 



From end of snout to extremity of mandible 25 21 



From end of snout to extremity of casque. . 31 25 



Greatest width between lateral cranial crests 14 11 



Depth of skull (mandible included) 21 18 



Width of head 16 14 



Bodv 65 60 



Tibia 16 14 



Tail 110 77 



Madagascar. 



a-b. cJ & hgr. Madagascar. Dr. J. E. Gray [P.]. (Types.) 



c. 5 . Madagascar. Rev. — Ellis [P.]. 



d-e. J $ • Madagascar. J. Caldwell, Esq. [P.]. 



f-ff. 2 • Madagascar. 



h-k. (S 2 • Antananarivo. Rev. J. "Wills [0.]. 



/. 2 ■ Betsileo. Rev. G. Shaw [C.]. 



m. cJ. Central Betsileo. Mr. T. Waters [C.]. 



