=115.1. Brewster Booby= (_Sula brewsteri_). L. 30. _Ads._ Similar to No. 115, but head and neck paler, bill blue, feet greenish.
Range,--"Coasts and Islands of the eastern south Pacific Ocean, north to Lower California; breeding as far north as Georges Island at the head of the Gulf of California." (A.O.U.)
=116. Red-footed Booby= (_Sula piscator_). L. 28. Feet _reddish_. _Ads._ White; head and nape straw color; primaries _hoary grayish brown_; tail _white_. _Yng._ Above sooty brown; head, neck, and lower parts light smoky gray. (Ridgw.)
Range.--Tropical seas, except Pacific coast of America (Cat. B. M.); north in Atlantic to Bahamas and, rarely, southern Florida.
=119. Cormorant= (_Phalacrocorax carbo_). L. 36; T. 7.5, of 14 feathers. _Ads._ Chin and sides of throat whitish; back glossy brownish, _distinctly_ margined with black; below uniform shining black. _Breeding plumage._ Head and throat with white plumes; a white patch on flanks. _Yng._ _Belly white_; above olive grayish brown, margined with black; throat _whitish_; neck brownish.
Range.--North Atlantic; breeds from Nova Scotia to Greenland; winters south to Carolinas.
=120. Double-crested Cormorant= (_Phalacrocorax dilophus_). L. 30; W. 12.5; T. 6.2, of 12 feathers. _Ads._ Back brownish with distinct black margins; below shining black. _Breeding plumage._ With tufts on either side of head black, sometimes mixed with white; throat pouch orange. _Yng._ Back browner; head, neck, and lower belly brown; breast whitish.
Range.--Eastern North America; breeds locally from Bay of Fundy, Minnesota, North Dakota, northward; west to Assiniboia; winters from southern Illinois and Virginia southward.
=120a. Florida Cormorant= (_P. d. floridanus_). Similar to No. 120, but blacker and smaller. L. 25.
Range.--South Atlantic and Gulf States; breeds north to North Carolina and southern Illinois.
=120b. White-crested Cormorant= (_P. d. cincinatus_). Similar to No. 120, but larger, L. 36; nuptial crests _white_.
Range.--Pacific coasts; breeds in Alaska; winters south to California.
=120c. Farallone Cormorant= (_P. d. albociliatus_). Similar to 120b., but smaller, L. 28.
Range.--Breeds on California coast and in interior, south to Socorro Island. (Ridgw.)