head-scales ver 
ch. 5,9, & yg. Camaroons. 
1. CHAMZLEON, 
millim. 
Total length .............0.0 0c cea eee 219 
From end of snout to extremity of man- 
UDO 2 sie csceainsle pats a eave ge eaienes 27 
From end of snout to extremity of casque 37 
Rostral horn 6... eee 12 
Depth of skull (mandible included) .... 25 
Width of head .... 0.2... eee eee ee 16 
BOOS: 35 orth scans BA Goi wy bahrain Sienna 87 
PVD as cto apa ad ae SS6e aig hee Had mc OZ 19 
MPAA geet Aes Maro docnveuecth ear eee es AS 105 
Camaroons, 
a,b. § & her. Camaroons, 
41. Chameleon cristatus. 
Chameeleo cristatus, Gray, Cat. p. 264. 
471 
extremity of the snout equals or exceeds the length of the mouth; 
lateral crest strong, tubercular ; male with two long, conical, horny 
rostral processes, close together at the base, directed straight 
forwards ; two conical tubercles represent these horns in the female ; 
y unequal in size; no trace whatever of occipital 
lobes. Body covered with small flat scales intermixed with very 
large round flat tubercles; males with a high fin-like crest on the 
back and base of tail, supported by the much-produced spinous 
vertebral processes; this crest scarcely developed in the female; 
no gular nor ventral crest; throat with enlarged tubercles. No 
tarsal process. Tail a little shorter than head and body, 
millim. 
160 
D. G. Rutherford, Esq. [C.]. 
Chameeleo cristatus, Stutchbury, Trans. Linn, Soc. xvii. 1837, p. 361, 
pl. x.; J. A. Smith, Proc. Phys. Soc, Edinb. iii. 1866, p. 228 ;: 
Buchholz, Mon. Berl. Ac. 1874, p. 88. 
Pterosaurus cristatus, Gray, Proc. Zool. Soc. 1864, p. 473. 
Casque strongly raised and obtusely pointed or rounded posteriorly, 
without parietal crest; the distance between the commissure of the 
mouth and the extremity of the snout exceeds the length of the 
mouth ; lateral crest strong, tubercular, obsolete on the canthus 
rostralis ; no rostral appendages ; head-scales small, not very un- 
equal; no trace whatever of occipital lobes. 
granular, intermixed with scattered, feebly enlarged, round flat 
tubercles ; in both sexes, a high fin-liké crest on the back and base 
of tail, supported by the much-produced spinous vertebral processes ; 
no gular nor ventral crest ; scales bordering the lower lip more or 
less distinctly tubercular. No tarsal process. Tail considerably 
shorter than head and body. A whitish median ventral line. 
Scales of body finely 
, 
