214 IGUANIDE. 
the median smaller ones. Head short, depressed, one and a half 
times as wide as deep. Tailone and a half times the head and body. 
General colour light brown above, the belly white. Sides with 
broad transverse bands of blackish.” 
California. 
7. Uta lateralis. 
Uta (Phymatolepis) lateralis, Bouleng. Ann. § Mag. N. H. (5) xi. 
1883, p. 342. 
Frontal transversely divided and in contact with the occipital ; 
three or four large supraoculars ; three or four pointed scales form 
a denticulation on the anterior border of the ear. A deep fold or 
pouch on each side of the throat in front of the collar, not connected 
by a distinct transverse fold. Body much depressed. A series of 
very large strongly keeled scales on each side of the vertebral line, 
where they are separated from each other by one or two series of 
smaller keeled scales; they are bordered externally by another series 
of small keeled scales; the size of one of these large scales much 
exceeds that of the ventrals, and its length equals more than half 
the diameter of the ear-opening. The rest of the back and sides 
covered with minute granules; a lateral series of irregular enlarged 
keeled scales from the neck to above the hind limb. The adpressed 
hind limb reaches the ear or slightly beyond; the enlarged scales on 
the limbs smaller than the largest dorsals. Femoral pores, ten to 
thirteen on each side. Tail about once and a half as long as head 
and body; upper caudal scales large, equal; subcaudals keeled. 
Upper surfaces grey, tinged with brown; a yellowish-white streak 
from the tip of the snout, along the upper lip and passing through 
the tympanum, to the fore limb; a Z-shaped black mark in front of 
the arm, the posterior branch upon the latter, the anterior branch 
on the neck, above the white streak ; a series of five or six oval or 
subrhomboidal black spots along each side of the back; flanks with 
blackish and whitish spots; limbs transversely barred with oblique 
black lines ; the male’s throat light blue in the middle, and the belly 
of the same colour but with a median white zone. 
millim. millim 
Total length ...... 135 Fore limb ........ 24 
Head 03 sAnetcagais 13 Hind limb........ 37 
Width of head .... 9 9°5 TBAT asco ashanti at 82 
Body og. cucuicseas 3a 40 
Western Mexico. 
a é. Presidio. Hr. Forrer [C.]. T 
b-e. 3 & her. Tres Marias Islands. Hr. Forrer [C.]. ¢ Lypes.) 
8. Uta auriculata. 
Uta auriculata, Cope, Proc. Bost. Soc. Nat. Hist. xiv. 1871, p. 808. 
Frontal transversely divided. A crest of shoit acute scales on the 
