170 



BIRDS OF HAITI AND SAN DOMINGO. 



FAMILY 



sulid^:. 



Genus: SULA. Briss. 

 SULA : BRISSON, ORNITH., 1760. 



SULA CYANOPS. Sundev. 



Dysporus cyanops. Sundev., Phys. Tidskr. Lund., pt. 5 (1837). — P. Z. 

 S., 1871, 125. 



Siila cyanops. Sundev., Isis, 1842, p. 858. — Salv., Trans. Zool. 



Soc, IX. 496 (1875).— Bd., Bwr. and Ridgw., Hist. N. Am. 



W. Bds., II. p. 176 (1S84). 

 Sula dactylatra. Bryant, Proc. Bost. Soc. Nat. Hist., VII. p. 125 



(1S59); XI. p. 97 (1866). — Cory, Bds. Bahama I., p. 194 



(18S0). 



Sp. Char., Male. — Sexes similar; larger than 6". Icucogastra ; 

 "secondaries and tertiaries, rich brown, the primaries of the same 

 color, but darker; some of the coverts of the primaries, brownish; 

 tail, with the feathers below, brown; above, hoary, the two middle 

 feathers the most so, and the base of all, white or whitish ; all the 

 rest of the plumage, snowy white; bill, horn color, with the serrations 

 of the upper mandible very distinctly marked; iris, pale yellow; eyes 



