358 TEIID &. 
gular scales not enlarged; mesoptychium with three or four rows of 
feebly enlarged scales. Dorsal granules small, smooth. Ventral 
plates in ten or twelve longitudinal rows; thirty-six to thirty-eight 
transverse rows, counting from the granules of the collar. Large 
preanal plates, generally three, arranged in a triangle. Brachials 
generally small and in several rows, widely separated from the ante- 
brachials, which are in two or three rows; postbrachials large. 
Six or seven rows of femoral plates, gradually passing into granules ; 
two or three rows of tibials, the inner, if present, small and irre- 
gular, the outer extremely large. Heel with more or less prominent 
spinose scales. Femoral pores twenty-one to twenty-seven. Digits 
moderately serrated ; fifth toe extending further thaninner. Caudal 
scales keeled. Olive-grey above, blackish on the back; a median 
light green vitta begins from the occiput where it is linear, and 
gradually widens to the tail; sides with light spots, sometimes 
confluent into two longitudinal lines on each side of the median 
band; lower surfaces greenish white; the sides of the belly, in 
males, olive, with round lighter spots. 
d. 2 
millim. millim, 
Total lengths: vs.se teidas seis 342 260 
Mead as 34. cknetaawaaeionKecan, (2S 23 
Width of head................ 17 12°5 
From end of snout to fore limb .. 45 33 
From end of snout to vent ...... 112 90 
Fore TM... cca sy agen ee eae 41 35 
Hind limb: acesacadacte geeks 83 73 
De ance ate teehee op Atak doigcawasare Aleph 230 170 
Jamaica. 
a 3. Jamaica. R. Heward, Esq. [P.]. 
b, Her. Jamaica. G. E. Dobson, Hsq. [.). 
e-g. 3,9,& yg. Bluefields, Jamaica. P. H. Gosse, Esq. [C.]. 
hyi, k,l. 3,9,& her. P 
m. Skeleton. Jamaica. Sir A. Smith [P.}. 
18. Ameiva corvina. 
Ameiva corvina, Cope, Proc. Ac. Philad. 1861, p. 812, and 1862, 
p. 68; Reinh, § Lith. Tidensk. Meddel. 1862, p. 242. 
Nostril in the posterior part of the anterior nasal ; five occipitals ; 
four supraoculars ; six or seven supraciliaries; loreal undivided ; 
six or seyen upper labials ; five or six lower labials; chin-shields, 
one anterior and five pairs; median gulars slightly enlarged, forming 
a wide band across the throat ; enlarged scales of the mesoptychium 
about the size of the larger gulars. Dorsal granules small, smooth. 
Ventral plates in twelve or fourteen longitudinal rows, those of the outer 
row very small; thirty-four to thirty-six transverse rows, counting 
from the collar. Preanal plates irregular, with three larger median 
ones. No regular brachial plates; one row of large transverse ante- 
