1, cHAMZLEON. 439 
Claws simple; scales on soles smooth. Tail at least as long as 
the body. 
Africa, Madagascar, south of Spain, Arabia, India, Ceylon. 
Synopsis of the Species. 
I. A series of enlarged granules forms a crest on the median line of 
the throat, often extending along the belly; a whitish line or 
band from chin to vent; no rostral process. 
A. A series of tubercles or enlarged granules forms a crest or ser- 
rated ridge, at least on the anterior part of the back. 
1. Scaling homogeneous. 
a. Casque more or less strongly raised posteriorly, with 
strong arched parietal (occipital) crest. 
a. Occipital dermal lobes at least indicated. 
* No ventral crest, the gra- 
nules of the median 
ventral line rounded; 
no tarsal process or spur 1. vulgaris, p. 443. 
** A ventral crest; male with a tarsal process or 
spur. 
A large occipital lobe on each side, ex- 
tending nearly to the extremity of the 
parietal crest ..........0...00..05 _ 2. calearifer, p. 444. 
Occipital lobe merely indicated ; the dis- 
tance between the commissure of the 
mouth and the extremity of the casque 
does not exceed the distance between * 
the end of the snout and the extremity 
of the mandible .................. 3. calcaratus, p. 445. 
' Occipital lobe merely indicated ; casque 
extremely elevated posteriorly ...... 4. calyptratus, p. 446. 
B. No trace whatever of occi- 
pital dermal lobes; male 
with a tarsal process or 
spur; casque high...... 5. basiliscus, p. 446. 
b. Casque feebly raised posteriorly, with feeble or indistinct 
parietal crest. 
a. No trace whatever of occi- 
pital dermal lobes; no 
tarsal process; skin very ; 
minutely granular ...... 6. senegalensis, p. 447. 
