56 IGUANID. 
Head twice as long as broad, much longer than the tibia; fore- 
head slightly concave, no frontal ridges; upper head-scales rather 
large, smooth, only five longitudinal series between the canthals ; 
scales of the supraorbital semicircles large, in contact medially ; 
five to ten enlarged, smooth supraocular scales, in contact with the 
supraorbitals ; occipital much larger than the ear-opening, in con- 
tact with the supraorbitals; canthus rostralis short; loreal rows 
two; eight or nine upper labials; ear-opening very small, sub- 
triangular. Scales small and smooth, the ventrals largest, rounded, 
the dorsals a little larger than the laterals, with two median rows 
slightly prominent. The adpressed hind limb reaches the axilla ; 
digital expansions well developed. Tail round, with equal smooth 
or feebly keeled scales. Brownish above, the body with indistinct 
dark brown cross bands and yellowish round spots; outer side of 
limbs with regular small light round spots and a dark network; 
lower surfaces brownish yellow. 
Total length (tail injured) 110 millim. 
16 
HAG: se. 5 i ecearneida nears oe 
Width of head ........ Bo 14; 
Fore limb ............ 1B 45 
Hind limb............ 27 
Chili ? 
46. Anolis levis. 
Scytomycterus levis, Cope, Journ. Ac. Philad, (2) viii. 1876, p. 165. 
Rostral plate produced into a flexible appendage; a shallow 
frontal concavity ; lateral occipital crests prominent ; upper head- 
seales large and smooth, only three rows between those of the 
canthus rostralis at the middle; supraorbital semicircles in contact 
along the entire median line and with the occipital, which is large; 
loreal rows two; ear-opening small; a series of large chin-shields 
in contact with the lower labials throughout. Scales of the body 
smooth, of nearly equal size ; those of the tail larger, the median 
superior series not different from the others. Limbs short, the ad- 
pressed hind limb falling considerably short of the axilla; digital 
expansions rather narrow. Colour above dark grey, below pig- 
mented white; the two colours are abruptly defined below the 
orbit and the scapula, and there are brown spots behind the axilla; 
tail distantly annulate. 
Total length .......... 139 millim. 
Head, to ear ........., L735 
Width of head ........ ON) as 
Length to vent ........ 60, 
Fore limb ............ LBM yg 
Hind limb............ BT ss 
MDI. eheace sada qeete aoe — 
Huallaga River, Eastern Peru, 
