■208 eECKOsriD^. 



markings are a spot on the nose, another on the forehead, a semi- 

 circular broad bar surrounding the back of the head, stretohiug from 

 eye to eye, and jDosteriorly directed angular broad bars on the back 

 and tail ; lower surfaces whitish, immaculate. 



Total length 87 millim. 



Head 11 „ 



Width of head 10 „ 



Body 37 „ 



Fore limb 18 „ 



Hind limb 21 „ 



TaU 39 „ 



Interior of South Africa. 



a-d. <5 2 . S. Africa. Sir A. Smith [P.]. (Types.) 



45. COLOPUS. 



Colopus, Peters, Mon. Berl. Ac. 1869, p. 57. 



Tips of fingers slightly dilated, of toes rather narrowed; no claws ; 

 two enlarged scales under the extremity of the digits and a nail-like 

 scale above, the rest being covej-ed with small granules. Dorsal 

 scales uniform, granular ; abdominal scales imbricate. Pupil ver- 

 tical. No praeanal or femoral pores. 



South Africa. 



1. Colopus wahlbergii. 



Colopus wahlbergii, Peters, I. u. pi. — . fig. 1. 



Head short, convex ; ear-opening small, oblique. Convex scales 

 on the snout hardly larger than those on the back ; the latter equal 

 those of the submental region, whilst those on the gular region are 

 the smallest. Kostral broader than mental ; eight or nine upper 

 and seven lower labials ; nostril between three nasals, the anterior 

 largest. Limbs moderate ; digits short. Tail cylindrical,.tapering, 

 'covered with uniform, smooth, imbricate scales, which are about twice 

 as large as the ventrals. Olive-green above, with large yellow, 

 darker-edged spots, which are confluent into irregular cross bands on 

 the back ; a yellow median streak from snout to occiput ; lower 

 surfaces light yellow. 



Total length 135 miUim. 



Head to ear-opening .... 14 ,, 



Prom snout to vent .... 52 ,, 



Fore limb 25 „ 



Hind limb 30 „ 



Damaraland. 



