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XVI. Description of a new Species of the Genus Chameleon. By Mr. SAMUEL 
SrUTCHBURY, 4.L.S., and Curator of the Bristol Philosophical Institution. 
Read January 21st, 1834. 
CHAMELEON CRISTATUS. 
C. SUPERCILIARI occipitalique carina elevatà et crenulatá, caudæ ante- 
riori parte dorsique apophysibus elongatis cristam dorsalem constituen- 
tibus: squamis feré rotundis subaequalibus. 
Tas. X. 
This singular and beautiful Chameleon is of an ash grey colour, with a 
dark-coloured patch upon the anterior and superior part of the body, giving 
off inferiorly two or three bands; posterior part of the body marked with 
orange and dark-coloured reticulate lines; edge of the dorsal crest and tail 
spotted with the same dark colour. Head having the superciliary and occi- 
pital ridges much elevated and crenulated; spinous processes of the back and 
anterior part of the tail elongated, forming a dorsal crest; scales roundish, 
nearly equal. 
Ins. Lines. 
Length from the tip of the nose to the extremity of the tail . 9 3 
Breadth from the anterior dorsal spinous process to the 
eS a ee ^ 
Length from the anterior portion of the intermaxillary 
bones to the posterior point of the occipital ridge . 
Length from the nose to the centre of the orbital ridge 
Length of the body 
Crested portion of the tail 
Rounded portion of the tail . 
Length of the spinous processes : 
Breadth from the body of the vertebræ to te sternum 
Number of elongated spinous processes which support the 
crest are as follows: Dorsal 16; Caudal 8. 
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