Art. VL] Herrick-Terry-Herrick, New Mexico Lt^a 7 ^ds, 145 
openings present, pupil round ; two or more gular folds; femo- 
ral pores numerous. 
Cnemidophorus Sexilieatus, Gray. 
Plate XXIV, Figs, 23, 24. 
Description : Slender, agile ; head nearly flat above, with 
nearly vertical sides ; snout slender ; rostral plate large, high, 
triangular ; nostrils opening within the large nasal plates which 
are partly enveleped by the rostral; posterior nasal nearly quad- 
rangular, articulating with the anterior nasal, first, second, and 
third labials, loreal, frontal, and prefrontal plates; four enlarged 
supraoculars, the two in the middle largest, all of them separ- 
ated from the superciliaries by a row of granules ; superciliaries 
not imbricated, the anterior two large ; supraoculars separated 
from parietals and frontoparietals by granules ; occipitals in two 
or more irregular transverse bands ; about five superior and six 
inferior labials to middle of eye ; inferior labials larger than the 
upper ; sublabials very large, connected with the symphyseal 
by a large azygous plate, separated from the lower labials by 
three or four large plates and a short series of granules in 
front of them ; intermandibular region of throat with larger 
scales than the throat behind the ears to the first gular fold, be- 
hind the latter larger scales merging into those of the throat ; 
ventral scales large, in eight longitudinal rows; 'upper surface 
with small equal granules ; ear opening large, semicircular ; ex- 
ternal aspect of upper arm and cephalic aspect of fore arm with 
enlarged scutes ; ventral aspect of fote afm with a patch of en- 
larged sc(iles below the elbow ; scales of ventral aspect of hind 
legs very large ; femoral pores from 16 to 18 ; scales of tail 
strongly keeled ; about three enlarged preanal scales. 
Color: Above dark olive brown, passing into clear olive 
on the head and greenish olive on the tail ; back marked with 
three narrow, distinct yellowish white lines on either side and 
sometimes a faint median stripe on the median line, the latter 
more distinct anteriorly ; upper surfaces of limbs faintly mar- 
bled ; sides of head and under parts immaculate. 
Only a few specimens of this species, which is referred to 
