THE HERPETOLOGY OF HISPANIOLA 119 



In contrast to these Sanchez specimens, the Samand female 

 (U.S.N. M, No. 75001) chosen for illustration has the dorsal scales 

 quite regular in size and arrangement. 



Specimens examined. — As listed in table 21. 



SPHAERODACTYLUS ARMSTRONGI Noble and Hassler 



Figure 40 



1933. Sphaerodadylus armsirongi Noble and Hassler, Amer. Mus. Nov., No. 

 652, p. 5.— Barbour, Zoologica, vol. 19, No. 3, p. 101, 1935; Bull. Mus. 

 Comp. Zool., vol. 82, No. 2, p. Ill, 1937. 



"Diagnostic Characters. — A smaU species, adult males approxi- 

 mately 50 mm, in total length; scales on upper surface of snout and 

 head strongly keeled, two to three times as large as those on the 

 occiput; scales on the upper surface of the body imbricate and keeled, 

 those on the throat, chest, and sides of the body also keeled, while 

 those on the center of the abdomen are smooth. Adult male very 

 dark brown in color with a wide open V on the occiput, two spots on 

 the scapular region, two spots on the base of the tail of a lighter tone. 

 The light spots more or less surrounded with smaller spots of dark 

 brown; some very feeble blotches of dark brown poorly indicated on 

 the upper surface of the head. A dark streak along the side of the 

 head and thi'ough the eye; sides of the head lighter than the occiput; 

 a dark streak on the side of the head directly before and behind the 

 eye. 



"Detailed Description. — Type: A.M.N.H. No. 51470, adult 

 male. Collected on mountain top on property of G. Herrmann near 

 Paradis, Barahona Province, D. R., 2400 feet, August 25, 1932, 

 by W. G. Hassler. 



"Snout a trifle less than twice as long as the greatest diameter of 

 the eye; distance from tip of snout to center of eye approximately 

 equal to distance from center of eye to posterior margin of the ear 

 opening; rostral plate rounded with a very feeble lateral ridge or 

 can thus, rostral with a single median cleft behind; nostril surrounded 

 by the rostral, first supralabial, enlarged supranasal, and two other 

 scales of which the more ventral is only one-sixth to one-seventh 

 as large as the dorsal ; a single scale separating the supranasals in the 

 midline a trifle larger than the scales covering the forehead; three 

 enlarged supralabials; the most posterior extending well behind the 

 center of the eye ; scales on the upper surface of the head posterior to 

 the supranasals keeled, diminishing gradually in size posteriorly, 

 those immediately behind the supranasals only a third to a fourth 

 larger than those between the eyes, but two to three times as 

 large as those on the occiput; six scales in a line between the supra- 

 nasals and a groove forming the anterior border of the orbit, three or 

 four scales in the anterior part of this row two to three times as large 

 as the small scales immediately beliind ; nineteen scales in a row across 



