196 SCINCID^. 



oculars, secoud largest and usually in contact with the praelrontal ; 

 five supraciliaries, second largest : frontoparietals distinct, smaller 

 than the interparietal, which entirely separates the parietals ; a pair 

 of nuchals ; four labials anterior to the subocular, which is not much 

 enlarged, and not or scarcely narrowed iuferiorly. Ear-opening 

 crescentic, sometimes nearly concealed by the scales of its anterior 

 border. Dorsal and nuchal scales strongly tricarinate, laterals 

 feebly so ; 30 to 32 scales round the middle of the body, equal. 

 The adpressed limbs meet, feebly overlap, or fail to meet. Toes 

 short ; subdigital lamelhc sharply unicariuate. Tail about once 

 and a half the length of head and body. Olive or brownish above, 

 with transverse blackish spots or cross bands and round pale spots j 

 three light bands along the back, vertebral broadest ; lower surfaces 

 greyish white. These markings may be indistinct or disappear 

 entirely, some specimens being of a uniform olive-brown. 



millim. milliin. 



Total length 220 Fore limb 27 



Head 20 Hind limb 36 



Width of head .... 1(5 Tail (reproduced). . 100 



Body 100 



South Africa. 



a. Several spec. : ad., S. Africa. Sir A. Smith [P.], 



hgr., & yg. 



h-c. Ad. S. Africa. C. Darwiu, Esq. [P.]. 



d. Ad. S. Afiica. Dr. Quain [P.]. 



e,f-h. Hgr. & yg. Cape Colony. F. P. M. Weale, Esq. [P.]. 



i-k. Yg. Port EUzabeth. A. E. Craven, Esq. [P.]. 



?, m. Ad. Damaraland. 



n. Hgr. Is. of Ascension ((). (Type of Tiliqua ascen- 



siom's.) 



50. Mabuia occidentalis. 



Euprepes vittatus, \aY. austraUs, Peters, Mon. Berl. Ac. 1862, p. 19*. 

 occidentaHs, Peters, Moti. Berl. Ac. 1867, p. 20. 



Snout short, obtuse. Lower eyelid with a large undivided trans- 

 parent disk. Xostril just above or behind the vertical of the suture 

 between the rostral and the first labial ; a postnasal, in contact with 

 the first and secoud labials; supranasals in contact behind the 

 rostral ; frontonasal broader than long, in contact with or narrowly 

 separated from the frontal ; latter as long as or shghtly shorter than 

 the frontoparietals and interparietal together, in contact with the 

 second and fuird, or first, second, and third, supraoculars ; four 

 supraoculars, second largest ; five supraciliaries, second largest ; 

 frontoparietals distinct, smaller than the interparietal, which en- 



TjpeB examined. 



