148 IGtJAlS'ID^. 



the shoulder or between the latter and the ear ; hinder side of 

 thighs uniformly granulate. Male with two to four anal pores. 

 Tail once and a fourth to once and a half as long as head and body ; 

 caudal scales (except the basal ones) smaller than dorsals. Females 

 and young pale brownish above, with darker and lighter spots 

 sometimes forming undulated cross bands on the body, limbs, and 

 tail ; male variegated pale olive and blackish ; a black spot or 

 vertical bar in front of the shoulder. Lower surfaces whitish in 

 the female, greenish in the male ; throat usually spotted or marbled 

 with blackish. 



Total length 223 millim. 



Head 23 „ 



Width of head 19 



Bodv 70 „ 



Fore limb 34 



Hind limb 53 



Tail 130 



11 



;i 



Chili ; Atacama. 



a-c. S ■ Coquinibo. Dr. Cumiinghara fC.]. 



d-e. S 9 • Coquinibo. Dr. Coppinger [C.]- 



f. Yg. Coquimbo. C. Darwin, E.-^q. [P.]. 



>. Hgr. Chili. J. E. Gray, Esq. [P.]. (Type 



of i. incotispicuus.) 



h. Hgr. ^ . Chili. 



t. Hgr. $ . ? 



11. Liolsemus magellanicus. 



Proctotrelus magellanicus, Homhr. 8f Jacq. in Diimont rf" Urv. Voy. 

 Pole Slid, JRept. pi. ii. fig. 2 ; A. Dum. Cat. Meth. Rept. p. 75, and 

 Arch. Mus. viii. p. 54.'j. 



Nostril lateral. Upper head-scales moderate, convex, smooth ; a 

 small azygos frontal, separated from the interparietal b}' a pair of 

 fronto-parietals ; interparietal as large as or a little smaller than 

 the parietals ; a series of three or four enlarged supraoculars ; a 

 single series of scales between the labials and the infraorbitals ; 

 temporal scales keeled ; ear-opening small, with one or two small 

 projecting scales in front. Sides of neck irregularly folded ; a 

 small curved antehumeral fold ; the scales pointed, imbricate, 

 smaller than those on the upper surface ; two or three larger 

 pointed scales project in front of the arm. Dorsal scales moderate, 

 elongate rhomboidal, very strongly keeled, ending in a short spine ; 

 scales on the flanks as large as the dorsals ; ventrals nearly as large, 

 but rounded and smooth ; forty to forty-four scales round the middle 

 of the body. The adpressed hind limb seldom reaches the axil ; 

 digits very short ; hinder side of thighs uniformlj^ granulate. Male 

 ■with three to five anal pores. Tail not or but slightly longer than 

 head and body ; caudal scales nearly as large as dorsals. Brownish 

 or olive above, with four or five light yellowish or greenish streaks, 



