waters entirely sooty black, or white below; petrels 

 blackish, with white rumps, very small birds. All 

 seabirds. 



ORDER 4. TOTIPALMATE SWIMMERS. Stegan- 

 opodes. 



All four toes joined by webs. 



TROPIC BIRDS. Family Phaethontida?: Bill and 

 form tern-like; middle tail feathers very long. 



GANNETS. Family Sulida?: Bill heavy and pointed; 

 face and small throat pouch, bare. 



SKAKE-BIRDS. Family Anhingidae: Bill slender 

 and pointed; neck and tail very long, the latter rounded; 

 habits like those of the following. 



CORMORANTS. Family Phalacrocoracidas: Bill 

 slender, but hooked at the tip; plumage glossy black 

 and brown; eyes green. They use their wings as well 

 as feet when pursuing fish under water. 



PELICANS. Family Pelecanidae: Bill very long 

 and with a large pouch suspended below. 



MAN-O'-WAR BIRDS. Family Fregatidas: very 

 long and strongly hooked; tail long and forked; wholly 

 maritime, as are all but the preceding three. 



11 



