24. LIOLARMUS. 14] 
In habit similar to a Tropidosaura. Nostril sublateral. Upper 
head-scales rather large: an azygos frontal; interparictal smaller 
than parietals, separated from the frontals 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 uppermost 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 than dorsals. Female and young 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. 
Mead: cnc ba wote nay es 2h, 
Width of head........ 17 
BOUY™ scasi.eaia shaw tints ja WO <3, 
Fore limb .......... 82. —C«« 
Hind limb O4: 55 
Pall soa. gente a ong ea 150 se, 
Chili. 
a, b. Many specs.: 5,2, Valparaiso. ‘Challenger’ Exped. 
¢, eo 3 ae Valparaiso. Dr. Cunningham [P.]. 
fh. So. Huasco. 
ik. g. N. Chili. C. Darwin, Esq. [C.]. 
l. Her. 3. Chili. 
2. Liolemus chilensis. 
Leiodera gravenhorstii, part., Gray, Cat. p. 211. 
Calotes chiliensis, Lesson, Voy. Coquille, Rept. p. 36, pl. i. fig. 2. 
Tropidurus chilensis, Wiegm. Nov. Acta Ac. Leop.-Carol. xvii. 1835, 
i. p. 268. 
Tho tenstne chilensis, var. B, Dum. & Bibr. iv. p. 269; Guichen. in 
Gay, Hist. Chile, Rept. p. 24, pl. ii. fig. 1; Dum. Voy. Venus, Zool. 
Rept. pi. i. fig. 2. ; 
chilensis, part., Bel’, Voy. Beagle, Rept. p. 2. 
Lioleemus chilensis, Fitzing. Syst. Rept. p. 765. 
Liodeira chilensis, part., Girard, U.S. Explor. Exped., Herp. p. 340. 
? Proctutretus modestus, Philippi, Reise Atacama, p. 166. 
