BARBOUR AND NOBLE: LIZARDS OF THE GENUS AMEIVA. 429 
AMEIVA DORSALIS Gray. 
Description:— Adult male; M. C. Z. 7334. Kingston, Jamaica; 
1908; T. Barbour. | 
Rostral forming an acute angle behind; nostril on the posterior 
border of the anterior nasal; anterior pair of nasals just in contact 
behind rostral; frontonasal as long as wide, in contact with the loreal; 
prefrontals just in contact; frontal in contact with the first and second 
supraoculars; a pair of frontoparietals in contact with the third 
supraocular anteriorly; five occipitals in a transverse row, the two 
in contact with the median largest; seven and eight supraciliaries; 
three supraoculars, the first separated from the loreal; last two 
supraoculars separated from the supraciliaries by one or two rows of 
granules; posterior supraocular separated from the outer occipitals by 
two rows of large granules and a group of smaller ones; six large 
supralabials; five or six large infralabials; between infralabials and 
chin-shields a wedge of one to three granules extending anteriorly to 
the postmental; chin and throat covered with minute granules, an 
indistinct band of a trifle larger ones extending across the middle, on 
the area between the two throat folds several rows of large hexagonal 
scales; under side of the body with ten longitudinal and thirty-five 
transverse rows of plates; preanal plates three, the median forming a 
triangle, two smaller ones at the basal angles; on the lower arm a 
double row of antebrachials, one very wide, both breaking up into 
granules near the elbow joint; on the upper arm a single row of nar- 
rower, more spherical brachials not continuous with the antebrachials, 
on the posterior side near the elbow a row of enlarged postbrachials; 
under side of the thigh covered with four or five series of hexagonal 
plates of which the outer series is considerably larger than the others; 
twenty-one and twenty-two femoral pores; on the under side of the 
tibia two rows of plates, the outer ones being twice as large as the 
inner; upper side of the wrist with a regular series of transverse plates 
corresponding to the inner and outer metatarsals; outer toe extending 
a trifle further than the inner; tail covered with straight keeled scales; 
about forty scales in the fifteenth ring from the base. 
Coloration: — Ground color of dorsal surface olive varying to blue 
posteriorly; a pale light blue stripe in the middorsal region beginning 
just behind the occiput and gradually widening to the tail; on the 
sides a double row of light spots somewhat confluent into two longi- 
tudinal stripes; a series of black confluent blotches among the lateral 
stripes; ventral aspect light yellow-blue anteriorly, varying posteriorly 
into a checker pattern of dark ultramarine and light yellow-blue spots 
especially distinct laterally. 
