264 BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 



seems to be restricted to certain limited ranges in Hispaniola and is 

 not found in places where the other Ameivas may be abundant. This 

 accounts for its apparent rarity in collections. Dr. Vinson has told 

 me that this lizard is exceedingly abundant in the spot where he 

 collected two specimens for us — the sisal plantation on the Cul-de- 

 Sac Plain of Haiti — but that he knew of it in no other place in western 

 Haiti. 



Description. — U.S.N.M. No. 59208, an adult male from Thomazeau, 

 Haiti, collected on April 3, 1917, by J. B. Henderson and Paul Bartsch. 

 Rostral forming an obtuse angle behind; nostril in the lower part of 

 the anterior nasal plate, which is broadly in contact with its fellow 

 behind the rostral; frontonasal wider than long, in contact with both 



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Figure 72. — Distribution of Ameiva in Hispaniola. 



the nasals, loreal, and prefrontal; prefrontals broadly in contact; 

 frontal elongate, pentagonal, in contact with the first three supraocu- 

 lars; a pair of frontoparietals in contact with the third and fourth 

 supraoculars; five occipitals in a transverse row, the median the 

 largest and almost rectangular in shape; seven or eight superciliaries; 

 four supraoculars, the first in contact with the loreal and with 

 the first two superciliaries; a pair of small frontoparietals broadly in 

 contact with the third supraocular; the three posterior supraoculars 

 separated from the superciliaries by a single row of granular scales; 

 the fourth supraocular partly in contact with the occipital shield 

 which borders the median one; loreal undivided; about eight supra - 

 labials, the last very small, the third largest, the sixth coming directly 

 below the center of the eye, the second in contact with posterior nasal 

 and loreal; temples with small granular scales like those of body, sur- 

 rounded by larger ones; mental followed by an unpaired postmental; 



