456 CHAMZLEONTID&. 
millim. 
Greatest width between lateral cranial crests .. 11 
Depth of skull (mandible included) .......... 16 
Width, Of Wedd) asc jis avaowiecaie-aurrerslareiece nas ta 11 
Body ............ Bi oun doug and ah aisaee DR abate 56 
UDA oon! ah sane eS bop a eevee Sao elas ee os COAT IRS 15 
MPAA jth cache Syst Sus Sates seen ta deere dace baronet Aatil ohare 90 
Comoro Islands. 
a-b. 3 & her. Comoro. Sir J. Kirk [0.]. (Types.) 
I strongly suspect that C. polleni will prove to be the female of 
C. cephalolepis. 
17. Chameleon rhinoceratus. 
Chameleo rhinoceratus, Gray, Cat. p. 267. 
Sauroceras rhinoceratum, Gray, Proc. Zool. Soc. 1864, p. 478. 
Casque not much elevated posteriorly, with strong parietal crest ; 
the distance between the commissure of the mouth and the extremity 
of the casque is a little less than the length of the snout; lateral 
crest distinct all round the head, tubercular on the canthus rostralis 
and rostral appendage; end of snout with a long bony process, which 
is concave above and grooved inferiorly at the extremity ; casque 
angular posteriorly ; head-scales large, of irregular size; no trace 
whatever of occipital lobes. Body covered with small granules 
intermixed with scattered, enlarged, flat tubercles; a crest of 
isolated conical tubercles on the vertebral line; a series of conical 
tubercles forms a crest along the throat and belly, interrupted under 
the neck. No tarsal process. Tail a little longer than head and 
body. A whitish lateral band, beginning above the arm, 
; millim 
Total length. sic isswad case abus adievinc ati weed ie 144 
From end of snout to extremity of mandible ...... 17 
From end of snout to extremity of casque (rostral 
appendage included) ............ 0... cece eee 25 
Greatest width between lateral cranial crests ...... 8 - 
Depth of skull (mandible included) .............. 14 
Width-of head): wie. acacie ad cans sos echoes 10 
Body. 2:6 nt.g vides Cea w eas CARY SoU SRM ty 52 
SDI: Sita neta: aie ans aur aie A eons laine A eae aes 1l 
ALAS: Fy ete ideale GeO ds ah wal «gS Sila Oa enemas Oh eae 75 
Madagascar. 
ad. Madagascar. Sir E. Belcher [P.]. (Type.) 
18. Chameleon labordii. 
Chamezleo labordi, Grandid. Ann. Se. Nat. (5) xv. 1872, art. 20. 
Casque very much elevated posteriorly, with curved parietal crest, 
