184 
Annals of the Transvaal Museum. 
and limbs are in proportions shorter in females than in males, thns giving 
the females a habitus quite different to that of the males. The females 
usually appear fatter and more flattened. The sexes are otherwise easily 
recognised by the presence of one or two rows of praeanal pores in the 
males ; the females have no such structures. 
DESCRIPTIONS OF SPECIES. 
A. Dorsal Scales Equal, not Intermixed with Enlarged Scales. 
1. AGAMA PLANICEPS. PETERS. 
Dorsal scales smooth and not mncronate in the adults, roundish, imbricate, 
moderate sized, not mixed with enlarged scales. (Sometimes more or 
less strongly keeled, according to Boulenger ; also see note by 
Bocage Herp. Angola, p. 19.) 
Upper head scales smooth or feebly keeled ; occipital enlarged hexagonal 
or octagonal. (One or two elongate narrow scales on the middle of 
the snont are mentioned by Bocage, but not shown in his figure ; 
not mentioned by Boulenger.) 
Spines short, in groups on the sides of the head near the ear, and on the 
neck. 
Nostrils tubular, directed upwards and backwards on the canthus rostralis. 
Crests : A slight nuchal, no dorsal, tail keeled above in male. 
Scales on the limbs (judging by Bocage’s illustration) larger than the 
dorsals, keeled, not mixed with enlarged spines. 
Ventrals much smaller than the dorsals, smooth. 
Rows of scales round the body, 64-86. 
Fingers : Third and fourth equal. 
Toes : Fourth slightly longer than third, fifth extending beyond first. 
Colouration : Olive brown above, with small yellow spots, head and tail 
paler, below uniformly yellow. 
Habits : Bocage states that Anchieta found them in cracks and cavities of 
rocks, usually near human habitations. 
Remarks : I have no specimens which I could identify with this species. 
I have had to combine the description from Boulenger Cat. Liz 1, 
p. 358, and Bocage Herp. Angola, p. 18-19. Peters 7 original description 
was not accessible. I must, however, point out some discrepancies 
in the writings of the two authors cited : Boulenger does not remark 
the elongate narrow scales on the snout, neither does Bocage show 
them in his figure. Bocage finds the ear-opening as large as the eye- 
opening, Bonlenger records it as much larger than the eye-opening. 
Bocage states the fourth finger to be a little longer than the third, 
Boulenger calls them equal. 
2. AGAMA COLONORUM. DAUD. 
Dorsal scales flat, rhomboidal, strongly keeled, mucronate, imbricate, rather 
large, the keels form straight lines converging towards the median 
line. 
Upper head scales smooth or feebly keeled. Occipital enlarged, surrounded 
by a few somewhat enlarged scales. An elongate, narrow, keeled 
scale on the middle of the snont. 
Spines on the head : A few very short spines on the sides of the head near 
the ear and on the neck. 
