254 SPHAERODACTYLUS. 



Type-locality: — St. Croix. 



Types: — Two specimens in the British Museum. Alfred and Edward 

 Newton. 



Distribution: — St. Croix, St. Thomas, Tortola, Virgin Gorda, Anegada, 

 Porto Rico, and Vieques. 



Diagnosis: — Medium size with large, elongate, keeled, imbricate dorsals 

 about five or six equalling distance of tip of snout to centre of eye ; no middorsal 

 granular zone ; two very large supranasals often in contact or separated by one 

 scale; head-scales all very small and strongly keeled. 



Description:— M. C. Z. 7,300 (U. S. N. M. 27,029) . Paratype of S. grandi- 

 sqvamis. 



Snout rather acute, elongate, and gently declivous in profile, the distance 

 from its tip to the eye being slightly longer than from eye to ear-opening; rostral 

 moderate with a long median cleft behind; nostril between rostral, first labial, 

 two small nasals and an enlarged supranasal which is separated from its fellow 

 on the opposite side by a single small scale ; three large supralabials (often f our 

 to below the centre of the eye; a prominent spine-like scale on the superciliary 

 margin over the centre of the eye ; head above and on sides covered with small 

 elongate, strongly keeled scales, slightly enlarged on the snout; scales on back 

 large, imbricate, keeled five or six in the distance from tip of snout to centre of 

 eye; mental large, about equal to rostral; two large infralabials followed by a 

 small one which is under the centre of the eye ; two small square chin-shields 

 behind mental followed by many small, flat scales, decreasing in size to become 

 almost granular on midgular region then increasing in size on neck and chest- 

 region; scales of chest keeled and imbricate ; scales on abdomen large, but smaller 

 than dorsals; limbs covered with small, keeled, imbricate scales; scales on tail 

 keeled and imbricate above, below smooth, some greatly enlarged to form 

 transverse plates. 



Colour: — Grayish or brownish of various shades as ground colour, variously 

 dotted and faintly streaked with darker, across the shoulders a wide black band 

 edged before and behind with white and inclosing two white spots. The black 

 band may be reduced but the white spots are very characteristic. There may 

 also be long dark longitudinal streaks on head and body. 



Dimensions:— M. C. Z. 12,242, Porto Rico: Manati. G. M. Allen and 

 J. L. Peters. 



Total length 56 mm. 



Tip of snout to vent 28 mm. 



