August, 1910. BATRACHIANS AXD REPTILES MEEK. 417 



Ameiva surinamensis Gray. 



Aves Island. Three specimens, 80 to 116 mm. 



Cnemidophorus murinus Gray. 



Bonaire Island. Five specimens, 62 to 108 mm. Color of the 

 largest specimens (62 to 108 mm.) bluish green; sides and upper 

 surface of legs with large blue spots ; no lateral bands ; smallest speci- 

 mens (65 to 70 mm.) brownish on back, sides with wavy longitudinal 

 lines, the 3rd on each side darker and broader than the others; ven- 

 tral surface lighter than dorsal. 



Curacao Island. Fourteen specimens, 66 to 130 mm. These 

 specimens differ from the above in being black on the dorsal region 

 to reddish brown on ventral; no lateral stripes; largest specimens 

 (no to 130 mm.) with few large spots, none on the smallest ones 

 (66 to 90 mm.). 



Cnemidophorus lemniscatus Gray. 



Margarita Island. One specimen, 59 mm., in all respects like 

 those from the mainland. 



Cnemidophorus nigricolor Peters. 



Los Roques Island. Twenty-nine specimens, 50 to 95 mm. 



Of the smaller lizards on these islands this species is apparently 

 the most abundant. Those from Los Roques Island, the type locality 

 of the species, are a uniform black to slightly brownish (3 specimens, 58 

 to 65 mm.) on the back with the ventral surface dark greenish. The 

 darker individuals have no spots or stripes on the body or legs, the 

 browner individuals have the upper surface of the legs with many 

 small spots, and a few indistinct ones on the rump. The brachial 

 scales are much smaller than on C. lemniscatus, the two enlarged rows 

 extending about half way from elbow to the shoulder; mesoptychial 

 scales slightly enlarged. 



Aruba Island. Four specimens, 43 to 108 mm. 



The specimens from Aruba vary considerably and differ from those 

 mentioned above. The smallest specimen (43 mm.), has 9 distinct 

 stripes on the body, the anterior portions broken into spots; legs and 

 sides below stripes blue spotted; one larger specimen (85 mm.) has 

 5 stripes on posterior part of body, leg's and sides blue spotted ; on 

 the other two specimens (90 and 108 mm.) the stripes are more indis- 

 tinct and more broken into spots ; brachial and mesoptychial scales 

 slightly larger than on specimens from Los Roques Island. 



Aves Island. Twelve specimens, 57 to 80 mm. 



