470 CHAM HLEON TID. 
39. Chameleon owenii. 
; Chameleo owenii, Gray, Cat. p. 269. 
Chameleo owenii, Gray, Griff. A. K. ix. Syn, p. 54, and Zool. Mise. 
p. 7, pl. iv.; Buchholz, Mon. Berl. Ac. 1874, p. 85. 
tricornis, Dwn. § Bibr. iii. p. 227. 
~ bibronii, Martin, Proce. Zool. Soc. 1838, p. 65. 
Chameeleon (Triceras) owenii, Fitzing. Syst. Rept. p. 42. 
Triceras owenili, Gray, Proc. Zool. Soc. 1864, p. 477. 
Casque scarcely raised above the vertebral line, with the crests 
very indistinct ; the distance between the commissure of the mouth 
and the extremity of the snout is less than the length of the mouth ; 
no distinct canthus rostralis ; male with three long, conical, smooth, 
horny processes directed forwards or upwards and forwards, viz. 
one in front of each orbit, the other on the snout; the rostral horn 
usually longer than the preorbitals; no trace of these appendages 
in the female ; a very small occipital dermal lobe on each side of the 
occiput, close to the vertebral line. Body finely and uniformly 
granular; no dorsal, gular, or ventral crest. No tarsal process. 
Tail much longer than head and body. 
millim. millim. 
Totallength «os cs ceeenes woke e bs eae 296 234 
From end of snout to extremity of man- 
UDLE! ve 'eachep eed é EG urede Ga pa tee ats 23 21 
From end of snout to extremity of casque 31 27 
Rostral: hort. 3.3084 2s 00 pee se ec 16 — 
Preorbital horn ........-.......004. 14 — 
Depth of skull (mandible included)...... 19 16 
Width of head ........... SBS ANS aha 1 02~.:.—t—“‘«‘CzSYK 
Body ee he dig Oe id one tt 3S hw Le 98 78 
WIDIae pretdn esd aural New ted wieine ee ae 20 15 
Dead sie: giscasarg ae cies cacach en evanee rade eae 175 1385 
Camaroon to Gaboon. 
-a,b. 3. Fernando Po. Dr. J. E. Gray [P.]. (Types. 
& Q. Fernando Po. Dr. J. E. Qu rb ieee 
of C. bibroniz.) 
df. 3 & yg. Fernando Po. Zoological Society. 
g. Yg. Fernando Po. Mr. Fraser [C. ]. 
ho Camaroons. D. G. Rutherford, Esq. [C.]. 
4. Gaboon. 
hk. Q. W. Africa. Miss Fisher [P.]. 
lo. W. Africa. 
40. Chameleon montium. 
Chamleo montium, Buchholz, Mon. Berl. Ac. 1874, pp. 88 & 301, 
pl. —. figs. 1-4; Giinth. Proc, Zool. Soc. 1874, p. 442, pl. lvi. 
Casque raised and obtusely pointed posteriorly, without parietal 
crest ; the distance between the commissure of the mouth and the 
