i8 



KEY TO THE \VATI<:R birds of FLORIDA. 



Family SULID^. Gannets. 



Sula bassana. 



Sula sula. 



Length, 36; Wing, 18.50; Tail. 9; Bill, 4.10. 

 Immature plumage mottled gra3i.sh brown and 

 white ; head and neck white tinged with buff. 



Length, 27; Wing, 15.50; Tail, S ; Bill, 4; Tarsus, 

 1.60. Head and upper part.s .soot}' brown; bill 

 and feet pale yellow ; gular sack yellow. 



Length, 27; Wing, 1(}; Tail, 7.70; Bill, 4; Tarsus, 

 1. 85. Head, white; head whitish; gular sac 

 bluish ; feet reddish. 



Length, 27; Wing, 15; Tail, S; Tarsus, 2.10; Bill, 

 3.50. Head white tinged with buff; feet coral 

 red ; gular sac dusky. 



Sula bassana. 

 Qannet. Sic 



page 74 



Sula sula. 

 Common Booby. See page 73 



Sula cyanops. 



Blue=faced Booby. .See page 73 



Sula piscator. 

 Red=footed Booby. See page 74 



