24. iJOLiEMtrs. 141 



In ha])it similar to a Tropidosaura. Nostril sublateral. Upper 

 head-scales rather large; an azygos frontal; interparietal smaller 

 than parietals, separated from the f rentals by a pair of fronto- 

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

 series of scales between the labials and the infraorbital ; temporal 

 scales keeled ; two or three projecting scales on the anterior border 

 of the ear, the iippcrraost large and band-like, as if formed of the 

 fusion of two scales. Sides of neck not plicate, covered with large 

 scales similar to those on the dorsal surface. Nuchal and dorsal 

 scales large, rhomboidal, very strongly keeled, the keel ending in a 

 spine ; ventral scales a little smaller, rounded or obtusely pointed, 

 smooth ; twenty-eight or thirty scales round the middle of the body. 

 The adpressed hind limb reaches the axil or the neck ; hinder side 

 of thighs uniformly granulate. Two or four anal pores in the male. 

 Tail once and a half to twice as long as head and body ; caudal 

 scales smaller tlian dorsals. Female and j'oung coppery brown 

 above, with waved dark-brown, yellowish-edged cross bands on the 

 back ; adult male dark olive-brown above, the head dotted with 

 yellowish, and the dorsal scales edged with yellowish, the two 

 colours forming irregular variegations ; lower surfaces whitish in 

 the female, the throat marbled or obliquely striated with blackish ; 

 in the males they are greenish white, olive, or blackish, with 

 irregular darker spots or lines ; the throat, if not entirely black, 

 marbled or striated with black. 



Total length 243 millim. 



Head 21 „ 



Width of head 17 „ 



Body 72 „ 



Fore limb 32 ,, 



Hind limb 54 ,, 



Tail 150 „ 



Chili. 



a, h. Many specs. : J , $ , Valparaiso. ' Challenger ' Exped. 



hgr., & yg. 

 c, d-e. (^ & jg. Valparaiso. Dr. Cunningham [P.]. 



f~h. (5*. Iluasco. 



'i-k. J . N. Chili. C. Darwin, Esq. [C.]. 



/. IlgT. d. Chili. 



2. Liolaemus cMlensis. 



Leiodera gravenhorstii, part., Gray, Cat. p. 211. 

 Calotes chilieiisis, Lesson, Voij. Coquillc, llept. p. ^30, pi. i. fig. 2. 

 Tropidiirus chilensis, Wieym. Nov. Acta Ac. Leop.-CaraL xvii. 1835, 



i. p. 2(58. 

 Proctotretus chilensis, var. B, Dum. ($■ Bibr. iv. p. 2G9 ; Guichen. in 



Gay, Hist. Chile, Ilept. p. 24, pi. ii. fig. 1 ; Dmn. Voy. Venus, Zool. 



Rept. pi. i. fig. 2. 



chilensis, part., BcU, Voy. Beaylc, Rept. p. 2. 



Liolff>mus chilensis, Fitziny. Syst. Rept. p. 76. 



Liodeira chilensis, part., Girard, U.S. JS.iplor. Exped., Herp. p. 340. 



? Proctotretus modestus, Phi/ippi, Reise Atacama, p. 166. 



