V 



■it 



14 ON WKST INDIAN REPTILES. 



the tiiil. To}) and sides of head usually dark. Veutral 

 surface whitish. 



Ilab. St. Vincent. Twelve specimens. 



Anolis trossulus, sp. u. 



Head rather large, about one and two-thirds times as 

 long as wide, as long as the tibia; snout moderately 

 broad, one and a half times as long as the distance from 

 eye to ear ; forehead and occiput concave, deeply so in 

 large specimens ; frontal ridges low, shoi-t ; some of the 

 upper head scales keeled ; scales of the supraorbital semi- 

 circles large, partly in contact or entirel}' separated be- 

 tween the orbits; nine to fifteen enlarged, keeled supra- 

 oculars, in contact with or separated from the supraorbital 

 semicircles ; occipital larger than the ear opening, in a cup- 

 shaped depression, in contact with or separated from the 

 su[)raorbitals ; rostral canthus angular, canthal scales two 

 large and two small; loreal rows Hve (four to six) ; five 

 to six labials to below the centre of the eye ; ear opening 

 medium, vertical diameter twice the longitudinal. Gran- 

 ules on the swellings behind the occipital very small. 

 Gular appendage large, extending backward of the arms, 

 its scales small, keeled. Body compressed; dorso-nuchal 

 fold surmounted by two rows of enlarged, strongly-cari- 

 nate scales. Dorsal granules small, rough to the touch, 

 with strong keels, larger toward the vertebral rows, small- 

 er toward the flanks ; ventral scales larger than the dor- 

 sals, hexagonal, juxtaposed, strongly keeled ; antefemorals 

 larger, iuibricatc, keeled, tricariiiate in two rows near the 

 knee. Limbs strong; adpressed, the hind limb reaches 

 the anterior border of ^the eye; digital exi)ansions not 

 large ; lamellae under phalanges ii and iii of the fourth toe 

 about twenty-six. Tail compressed, near two and a half 



