108 
Annals of the Transvaal Museum. 
Adpressecl limbs separated or only just meeting (in young overlapping) ; 
ventrals in thirty-three to thirty-seven transverse series ; thirty-five to 
forty- three dorsal scales across the middle of the body ; often no granules 
between the supraoculars and supraciliaries, but sometimes several. Grey 
or brownish above, with large black spots, sometimes confluent into irregular 
transverse bands on the back ; the black spots with round white ones in 
the centre ; lips with vertical black bars ; lower surfaces white, usually 
black-spotted in the adult. N. delalandi M. Edw. 
Tropidosaura. 
Dorsal scales large, imbricate, strongly keeled ; first supraocular 
largest, separated from loreal by a very small shield ; nostril between 
two or three nasals ; usually two superposed postnasals. Olive-brown 
above, with two dark and two light longitudinal streaks on each side ; 
a more or less distinct dark vertebral streak. T. montana Gray. 
Ichnotropis. 
Frontonasal longitudinally divided ; subocular not reaching the lip ; 
occipital wanting or small ; forty-six to forty-eight scales round middle 
of body. Copper-brown above, with two or three longitudinal series of 
small black and white spots on each side ; the white spots sometimes 
confluent into longitudinal streaks. I. squamulosa Pet. 
Fronto-nasal single ; subocular bordering the lip ; an occipital present ; 
thirty-five to forty scales round the middle of the body. Yellow or reddish- 
brown above, with three longitudinal series of black spots on each side, 
more or less confluent into longitudinal bands, separated by pale streaks ; 
the lower black band extending along the upper lip, and the conspicuous 
lateral pale streak passing through the ear. I. capensis Smith. 
Differing from capensis in possessing longer limbs and shorter body, 
the adpressed hind limb reaching between the eye and ear ; foot much 
longer than the head. Pale grey-brown above, tinged with orange 
laterally ; a black streak along each side, starting from tip of snout and 
passing through the eye ; another black streak along the upper lip, reaching 
only as far as the shoulder, and separated from the upper one by a white 
streak. I. longipes Boul. 
ScAPTEIRA. 
(A) Snout conical ; ventral plates of body arranged in straight longi- 
tudinal series. 
(1) A bandlike supratemporal shield ; lower nasal forming a suture with 
the rostral. Fronto-nasal (sometimes two) separated from rostral by the 
nasals; forty-two to sixty scales across middle of body dorsally; dorsal 
scales keeled in front, and posteriorly strongly so. 
Yellowish -brown or olive above, with longitudinal series of whitish 
black-edged ocelli or black spots, usually confluent into four longitudinal 
bands ; young with light and dark bands, the vertebral light band bifur- 
cating on the nape ; a series of round light spots along the dark bands. 
S. knoxi M. Ed. 
Fronto-nasal in contact with rostral ; dorsal scales smooth, granular, 
obtusely keeled posteriorly, seventy to seventy-five across the body 
