318 VARANIDE. 
Scincus niloticus, Schneid. Hist. Amph. ii. p. 195. 
Tupinambis elegans, part., Daud. Rept. iii. p. 37. 
stellatus, Daud. 1. c, p. 59, pl. xxxi. 
ormatus, Daud. l. c. vill. p. 353, and Ann. Mus, ii. p. 240, 
pl. xlviii. 
Varanus elegans, Merr. Tent. p. 58. 
ornatus, Merr. 1. e. p. 59. 
Polydeedalus niloticus, Wagl. Syst. Amph. p. 164. 
capensis, WVagl. 1. c. 
Monitor pulcher, Leach, in Griff. A, K. ix. pl. —. 
ornatus, Gray, Griff. A. K. ix. Syn. p. 27. 
Varanus niloticus, Dum. § Bibr. iii. p. 476; Steindachn. Stitsb. Ak. 
Wren, Ixii. i. 1870, p. 330, 
capensis, Viegm. Arch. f. Nat. 1837, p. 228. 
Monitor niloticus, Gray, dan. N. H. i. p. 293; Duvern. R. A., Rept. 
pl. x. bis. fig. 1; Peters, Mon. Berl, Ac. 1870, p. 108.. 
elegans, Schleg. Abbild. p. 75. 
saurus, Peters, lc. p. 109, and Reise n. Mossamb., iii. p. 23, 
pl. iv. fig. 2. 
Anterior teeth acute, the others becoming rounded-off in adult 
specimens. Snout depressed at the tip, the distance from its ex- 
tremity to the anterior corner of the eye equalling the distance 
from the latter point to the anterior border of the ear; canthus 
rostralis well marked. WNostril round, a little nearer the eye than 
the tip of the snout. Digits strong, moderately elongate. Tail 
strongly compressed, keeled above. Scales of head, including 
supraoculars, moderate, subequal, larger than those on temples. 
Scales of upper surface of body and limbs small, oval, tectiform ; 
abdominal scales smooth, in seventy-five to one hundred transverse 
rows. Caudal scales keeled; the caudal keel with a very low, 
doubly-toothed crest. Colour of adult brownish or greenish grey 
above, with darker reticulation and more or less distinct yellowish 
ocelli on the back and limbs; yellowish beneath, with more or less 
distinct blackish cross bands. Young black above; head with 
yellow cross lines, neck with posteriorly directed, chevron-shaped 
yellow lines ; lips with vertical black and yellow bars; back with 
transverse series of yellow spots or ocelli; limbs black above, with 
round yellow spots; yellow beneath, reticulated with black; lower 
surface of head and body yellow, with transverse black bands; tail 
with alternating black and yellow bars. 
centim. centim. 
Total length ...... 165 Fore limb ........ 19 
Pea di sae ise eas 9 Hind limb........ 25 
NG@GK a3 os phd oo 14 Be rH eR reas RPT A 98 
BOSE 2s 9 le nessa ts 44 
Africa, with exception of the north-western part. 
a,b, v. Ad., hgr., &  N. Africa. 
yg., stuffed. 
d. Ad., stuffed. Egypt. J. Burton, Esq. [P.1. 
e. Ad., stuffed. Egypt. Sir J. G. Wilkinson [P.]. 
fig Ad. & yg. Zambesi. Sir J. Kirk (C.]. 
A. Yg. 8. Africa. 
