4 ON WEST INDIAN REPTILES. 



len, St. Thomas; and S. Gannan, Bayanion, Porto Rico, 

 Morant Island and St. Thonuis. 



Anolts scriptus sp. n. 



Head modertite, about one and thiee-fourths times as 

 long as broad, nearly one and a halt' times the length of 

 the tibia, with flat crown, very slightl,y concave on the fore- 

 head and on the occiput ; frontal ridges -low, diverging 

 anteriorly; with three large l)lunt-keeled scales; upper 

 head scales with low keels ; scales of the supraorbital semi- 

 circles hu-ge, in contact on the median line, or separated 

 by a single row of small scales, continued as the frontal 

 series ; seven to nine enlarged, feebly-keeled supraoculars, 

 separated from the supraorbitals by a single row of gran- 

 ules ; occipital as large as the ear opening, sei);uatod from 

 the supraorbitals by three or four series ; rostral canthus 

 sharp, of four scales ; loreal rows four to six ; six or seven 

 labials to below the middle of the eye. Gular appendage 

 moderate, smooth scaled. Body very little compressed, 

 with a low dorso-nuchal fold. In the female, the goitre 

 forms a low, longitudinal fold without the fan-like lobe. 

 All scales obtusely keeled : dorsal and lateral granular, 

 becomin2j lari^er toward a couple of rows of enlarged 

 scales on the vertebral fold ; ventrals larg r than the dor- 

 sals, little smaller than the antefeniorals, imbricate, with 

 rounded posterior margins and feeble keels. Limbs mod- 

 erate, the adpressed hind limb roaches the eye; digital 

 expansions medium, twenty-two under [)halanges ii and iii 

 ot the fourth toe. Tail compressed, slender posteriorly, 

 more than twice the length of the body and head, with a 

 sharp crest of unequal scales. On the male the neiu-al 

 spines support a lin-like expansion extending not more 

 than half the length. Enlarged post-anal scales. 



Gray, greenish, bluish, or brownish, bronzed, with or 

 without spots or vermiculatious of brown on nape, flanks. 



