1. VARANUS. 321 
distance from the latter point to the anterior border of the ear: 
canthus rostralis sharp. Nostril round, nearer the tip of the snout 
than the orbit. Digits strong, moderately elongate. Tail strongly 
compressed, keeled above. Scales of head, including supraoculars, 
subequal, very small, not larger than those on the temples. Scales 
of upper surface of body and limbs small, oval, tectiform. Abdominal 
scales smooth, in one hundred and twenty-five to one hundred and 
forty transverse rows. Caudal scales keeled ; the caudal keel with 
a very low, doubly-toothéd crest. Brown ahove, with more or less 
distinct round yellow spots or ocelli on the back and limbs and 
yellow annuli round the tail; temple with two yellow streaks, 
separated by a black band; these streaks extending more or less 
distinctly along the sides of the neck; lower surfaces yellowish, 
uniform or with small blackish spots. Young with the markings 
much accentuated. 
centim. centim. 
Total length ...... 130 Fore limb ........ 20 
Head. c44. mea 8 Hind limb........ 22 
NEC: acide ooe's 13 Tal isis waste ets 75 
Body isigides ante de seks 34 
Australia; New Guinea. 
a. Ad. Thursday Island, Torres Dr. Coppinger [C.]. 
Straits. (LMS. ‘ Alert.’ 
b,c, d,e. Her., stuffed. N.W. Australia. J. Gould, Esq. [C. . 
jf. Ad., stuffed. Port Essington. J. Gould, Esq. (C.]. 
g,h,t Ad. & hgx, Port Essington. Capt. Chambers [P.]. 
stuffed. 
k-l. Her. & yg. N. Australia. J. R. Elsey, Esq. [P.]. 
m. Ad., stuffed. N.W. Australia. Mr. Duboulay [C.]. 
n, Ad., stuffed. Dirk Hartog Island, Lords of the Admiralty 
Shark’s Bay. be 
v. Her. Gayndah. Godeffroy Museum. 
p. Yg. Queensland. 
g. Yg. W. Australia. ; 
r. Ad., stuffed. Australia. Sir T. L. Mitchell [P.]. 
s. Yg. Australia. 
é. Ad. e W. Theobald, Esq. [P.]. 
u. Ye. —?P 
22, Varanus prasinus. 
Hydrosaurus prasinus, Gray, Cat. p. 13. 
? Monitor viridis, Gray, as A, K, ix, Syn. p. 26. 
Monitor prasinus (Miill.), Schleg. Abbild. p. 78, pl. xxii. fig. 5; Miill. § 
Schleg. Verh. Naturl. Gesch. Nederl. ov. Bezitt., Rept. p. 42, pl. v. ; 
Peter's & Doria, Ann. Mus. Genov. xiii. 1878, p. 885, pl. ii. fig. 3. 
Varanus prasinus, A. Dum. Arch, Mus. viii. p. 499; Sauvage, Bull. 
Soc. Philom. (7) ii. 1878, p. 33. Saas 
Odatria prasina, Giinth. Ann. § Mag. N. H. (5) iii. 1879, p. 84. 
Teeth acute, compressed. Snout depressed at the end, measuring 
the distance from the anterior border of the orbit to the ear; canthus 
VoL. I. x 
