on the Saurian Reptiles of India. 221 



Chamaeleo Mexicanus. Laur. Rcpt. 45. 

 Laccrta chama?leon. /3. Gmel. Si/st. Nal. i. 1069. 20. 

 Chama^lcon calcaratus. Merrcm^ Rept. i. 162. 

 All from Seba. i. t. 82. f. 1. which has the slight expan- 

 sion of the hinder part of the sole distorted into a 

 distinct toe. 

 Perhaps also, 



Chamaeleo Africanus. Laur. Rept. 46. 

 Lacerta Africana. Gmel. Syst. Nat. i. 1069. 60. 

 Chameleon calcaratus (pars). Merrem, Rept. i. 162. All 



established from Seba, i. t. 83. f. 4. 

 Chamaeleo Zealonicus. Lau}\ Rept. 46. 

 Chamaeleon suhcroceus. Merrem^ Rcpt. \. 162. Both from 

 Scba. 1. t. 82. f. 3. 

 Inhabits Africa and India. " Egypt, Barbary, and South of 

 Spain," Cuvier. Central Africa, Colonel Denham. India, Gen. 

 HardnHcke. TripoW, Mr. Ritchie. Egypt, GcoJJroj/. 



This species, which is evidently the one originally described by 

 Linnaeus, is known by the peculiar pyramidical form of the occiput, 

 by the single large irregular quadrangular flat space on the cheek, 

 (which is double in C. pumila), and by the slightly crested 

 denticulated white line from the chin to the vent. The teeth are 

 rarely (as th^ are described to be by Cuvier) slightly 3-lobed, 

 M'hich is an anomaly in those Lizards which have them placed on 

 the edge of the jaw. When the animal is alive and in health, 

 the angles of the occipital pyramid and the lines on the side of 

 the face are completely obliterated. It is distinguished from a spe- 

 cies from Central Africa, by the occipital keel extending to the 

 centre of the eye, by the back of the head being only slightly lobed, 

 and by the frontal scales being tubercular. 



Fam.IV. GtcKOTiDif;. 



Gen. 1. Ptekoplelua. n. g. 



Digitis palmatis ad basin usque dilatatis, squamis latis uni- 

 s€riatis hidivisb, ultimo articulo adunco libcro, pollice mutico; 



