/ . MATimA. 



159 



anterior lorcal usually in contact with the first labial ; snpranasals 

 in contact behind the rostral ; frontonasal broader than long ; pnc- 

 frontals forming a median suture ; frontal pentagonal, in contact 

 with the second, and usually also the first and third supraoculars ; 

 four supraoculars, second largest ; five or six supraciliarios ; fronto- 

 parietals coalesced to a single shield ; parietals and interparietal 

 coalesced to a single subcrescentic shield, followed by a pair of 

 nuchals ; fifth upper labial (or subocular) below the eye, not twice 

 as largo as the proximal labials, not narrowed interiorly. Ear- 

 opening oval, about as large as the eye-opening, with three to five 

 short pointed lobules anteriorly. Nuchal and dorsal scales mostly 

 tricarinate, some bicarinate, the keels very distinct ; 40 to 50 scales 

 round the middle of the body, subequal. The hind limb reaches 

 the wrist or the elbow of the adpressed fore limb. Subdigital 

 lamella? smooth. Tail once and one third to once and two thirds 

 as long as head and body. Erown or bronzy olive above ; a pale 

 band on each side of the back, beginning from the supraciliary 

 border, and edged with a series of small, more or less confluent dark 

 brown spots ; another, narrower, pale band on each side from axilla 

 to groin ; the interspace between the two light bands on each side 

 dark brown ; flanks dotted with dark brown, sometimes even over 

 the lower light band ; a large deep black, white-edged ocellus in the 

 axilla ; lower surfaces yellowish white, throat usually dotted with 

 brown. 



milliru. 



Total length 190 



Head 17 



Width of head .... 12 

 Body 63 



Cape Yerde Islands. 



Porto Praya, St. Jago. 



millim. 



Fore limb . . ; 23 



Hind limb 33 



Tail 110 



a. Several spec. : 

 ad., hgr., & yg. 



b-e. Ad. 



/. Several spec. : 

 ad. & hgr, 



f/-i. Hgr. 



k. Ad. 



l-in. Ad. & hgr. 



St. Jago. 

 Brava. 



Cape Verde Islands. 

 Cape Verde Islands. 



H.M.S. 'Challenger.' 



Rev. E. T. Lowe [P.]. 

 Rev. R. T. Lowe [P.]. 



Rev. R. T. Lowe [P.]. 



Sir E. Belcher [P.]. (Types 

 of Euprepis belcheri.) 



4. Mabuia vaillantii. (Plate YII.) 



Head short and feebly depressed, similar to that of Lacerta agilis. 

 Lower eyelid with an undivided transparent disk. Nostril just 

 above or behind the vertical of the suture between the rostral and 

 the first labial ; a postnasal ; anterior loreal in contact with the first 

 labial ; snpranasals in contact behind the rostral ; frontonasal 

 broader than long ; prsefrontals forming a median suture ; frontal 

 pentagonal, in contact with the second and third supraoculars ; four 



