15. SCAITKIRA.— IG. APOROSAURA. 117 



Tail as in S. ctenodactyla. Greyish or sandy-coloured above, with 

 darker network enclosing round lighter spots; tail with three longi- 

 tudinal blackish lines ; lower surfaces whitish. 



niilliin. millim. 



Total length 153 From end of snout 



Head IG to vent 58 



Uidth of head 13 Fore limb 24 



From end of snout to Hind limb 47 



fore limb 27 Tail 95 



South Africa. 



a-b. (S & hgi\ Damaraland. Mr. Anderson [C.]. 



c. (S . S. Africa. 



16. APOEOSAURA. 



Pachvrhvnchus {non Spiv) , Bocage, Ann. ^- Mag. K. H. (.3) xx. 1867, 

 p. i26 : Stravch, Mel. liiol. Ac. St. Petersb. \i. 1867, p. 408 ; Lataste^ 

 Ann. Mm. Genov. (2) ii. 1885, p. 126. 



Head wide and flattened; snout much depressed, wide, spatulate, 

 with trenchant margins greatly exceeding the outline of the mouth. 

 Sead-shiclds normal ; no occipital. Nostril pierced between three 

 nasals. Lower eyelid scaly. No collar. Dorsal scales granular. 

 Ventral plates smooth. Digits compressed, covered with smooth 

 scales beneath, denticulated laterally. No femoral pores. Tail 

 cylindrical. 



West Africa. 



1. Aporosaura anthietie. 

 Pachyrhynchus anchietse, Bocage, I. c. p. 227, fig. 



Eostral much depressed, forming with the first seven upper labials 

 the piojecting border of the snout ; subocular in contact with the 

 fifth, sixth, and seventh upper labials ; frontal very narrow ; three 

 large supraoculars : parietals very short, much broader than long, 

 separated by a rhombuidal interparietal ; three pairs of chin-shields 

 in contact ; ear-opening narrow, without marginal denticulation. 

 Dorsal scales very smaU, juxtaposed, smooth, slightly inflated. 

 Yentral plates quadrilateral, subequal, arranged in 20 to 24 straight 

 longitudinal rows, and bordered upon the flanks by several rows 

 of similar, but smaller plates. Praeanal scales numerous, small, 

 subequal. Scales on the base of the tail similar to the dorsals ; 

 those oti the rounded portion large, imbricate, and keeled. Golden- 

 yellow above, with a wide-meshed black network on the back and 

 limbs; a black vertebral streak ; an elongate black spot covers the 

 occiput : head and temples variegated with black ; a black line along 

 the side of the tail ; lower surfaces uniform white. 



