PELECANIN^. SULA. 
311 
tremely small, its muscular coat thin, the inner soft ; in- 
testine of moderate length, slender ; coeca very small ; cloaca 
globular. 
425. 1. Sula Bassana, Linn. Common Gannet. 
Plate CCCXXVI. Adult Male, and Young. 
Adult with the bill pale bluish-grey, tinged with green towards the 
base ; bare space about the eye, lines on the bill and gular membrane 
blackish-blue ; tarsi, toes, and webs, brownish-black, the scutella light 
greenish-blue, claws greyish-white ; general colour of plumage white ; 
upper part of head and hind neck buff-coloured ; primary’- quills 
brownish-black, their shafts white toward the base. Young at first 
covered with very soft white down ; when fully fledged, with the bill 
light greyish-brown, the bare space around the eye pale greyish-blue ; 
feet dusky, the narrow bands of scutella pale greyish-blue ; head, neck, 
and upper parts, chocolate-brown, each feather with a terminal narrow 
triangular white spot ; lower parts greyish-white, spotted with greyish- 
brown, each feather having a broad terminal margin of that colour ; 
quills and tail-feathers brownish-black. 
Adult, 401, 75. Young fledged, 38, 72. 
Ranges southward off the coast at all seasons as far as the Gulf of 
Mexico. Breeds on rocks on the Gulf of St Lawrence, and off the 
coast of Labrador. Abundant. Migratory. 
Sula bassana, Bonap. Syn. p. 408. 
Gannet, Sula bassana, Nutt. Man. v. ii. p. 495. 
Common Gannet, Sula bassana, Aun. Orn. Biog. v. iv. p. 222. 
426. 2. Sula fusca, Linn. Booby Gannet. 
Plate CCVII. Male. 
Bill and naked parts at its base bright yellow, the former flesh-co- 
loured toward the end ; a dusky spot before the eye ; tarsi, toes, and 
webs pale yellow, claws white ; head, neck all round, upper parts in 
general, and lower surface of wings dusky brown, tinged with grey ; 
breast, abdomen, and lower tail- coverts, pure white. Young when 
fledged of a greyish-brown colour all over, the breast and abdomen 
being merely a little lighter than the rest ; bill and claws dusky ; tarsi 
and toes with their membranes dull yellow. 
Male, 31, 49i. 
Gulf of Mexico, and as far east as the coast of Georgia. Breeds on 
the Fortugas Keys, south of Florida. Abundant. Migratory. 
Sula fusca, Bonap. Syn. p. 408. ^ 
Booby, Sula fusca, Nutt. Man. v. ii. p. 500. * 
Booby Gannet, Sula fusca, Aud. Om. Biog. v. iii. p. 63. 
