Garman.] ^'^ [Oct. 7, 



Scales of the supraorbital semicircles enlarged, separated mesially by a 

 single series of scales. Ten to fifteen enlarged keeled, supraocular scales, 

 the largest of which is separated from the supraorbitals by a single series 

 of granules. Occipital small, about the size of the ear-opening, separated 

 from the supraorbitals by three or four series of scales. Canthus rostralis 

 sharp, prominent ; canthal scales four. Loreal rows five. Six labials to 

 below the centre of the eye. Ear-opening small, vertical diameter much 

 the greater. Gular appendage rather large, the fold reaching as far back- 

 ward as the axil, less developed in the female. Gular scales flat, with 

 faint indication of an obtuse keel. Body not compressed ; a slight nuchal 

 fold in the male ; no dorsal fold. Dorsal scales small, granular, smooth 

 or obtusely keeled, a little larger in several of the vertebral rows; ven- 

 tral scales larger. Limbs moderate ; the adpressed hind leg reaches the 

 orbit ; digital expansions moderate ; lamellae under phalanges ii and iii 

 of the fourth toe twenty-four. Tail twice as long as head and body, com- 

 pressed, less in female, edged above with a series of strongly keeled 

 scales. Male with enlarged postanal scales. 



Adults yellowish-green to olivaceous, thickly sprinkled with small spots 

 of light color, reddish or brownish in life ; tail more uniform ; belly 

 bluish, presenting a clouded appearance toward flanks and chin. Goitre 

 blue or purple. 



Very young ones are light ashy or grayish on the back, white beneath ; 

 somewhat clouded with darker on flanks, limbs, chin and throat. The 

 light spots or freckles first appear on the top and sides of the head, thence 

 gradually spreading backward. Above the pelvis on the back there is a 

 band of light color which narrowing backward extends to the middle of 

 the tail, where it fades. On one specimen there is a small dark blotch 

 at each side of the pelvic band ; on the middle of the body there is a 

 small transverse hour- glass-shaped blotch with a smaller rounded spot of 

 white at each side of it on the mesial line ; it has a similar mark above the 

 axils, and a dark spot on the occipital shield. On many individuals, old 

 and young, the forehead and cheeks are brown. 



This species is closely allied to A. graJiami as accepted by Dr. Bou- 

 lenger, whose form of description we have followed, more or less nearly, 

 to facilitate comparisons. A. conspersus has a much smaller occipital 

 scale, its canthal and frontal ridges are sharper, it has a' single series 

 between the supraorbitals on the crown ; it has not the lilac color on tail 

 and limbs, and its goitre is dark blue or purple, instead of crimson with 

 yellow or white margin. 



LlOCEPHALUS VARIUS, Sp. n. 



Upper head-scales large, smooth or faintly striate ; nasal in contact 

 with the rostral ; supraorbitals in contact on the median line ; supraocu- 

 lars six to eight, the majority of which are separated from the supraor- 

 bitals by a single series of small scales. Parietals two pairs in one row, 

 the outer of each pair being nearly twice the size of the inner ; the inner 



