84 THE BIRDS OF NORTH AMERICA. 



reduced to a mere nail, and sometimes entirely wanting ; 

 front toes webbed. 



FAMILY 7.Diomediidce. Albatrosses; 4 species. 

 FAMILY 8.Procellariidce. Fulmars, Petrels, and 

 Shearwaters ; 28 species. 



ORDER IV. STEGANOPODES (TOTIPALMATE 

 SWIMMERS). 



Toes four ; all connected by webs. 



FAMILY 9.Phaethontidce. Tropic Birds ; 2 species. 

 FAMILY 10. Sulidce. Gannets ; 6 species. 

 FAMILY 11. Anhingidce. Darters ; 1 species. 

 FAMILY 12.Phalacrocoracidce. Cormorants; 6 spe- 

 cies. 



FAMILY 13. Pelecanidce. Pelicans ; 3 species. 

 FAMILY l4.Fregatidce. Man-o'-War Birds ; 1 species. 



ORDER V. ANSERES (LiAMELLJROSTRALi 

 SWIMMERS). 



Toes four, the front ones fully webbed ; tarsus not flat- 

 tened as in the Grebes ; bill with toothlike projections, 

 fluted ridges, or gutters on its sides. 



FAMILY 15. Anatidce. Ducks, Geese, and Swans; 54 

 species. 



ORDER VI. ODONTOGLOSSJE (LAMEL.L.IROSTRAIJ 

 GRALL.ATORES). 



Toes four, the front three webbed ; bill with toothlike 

 ridges as in some Ducks, the end half bent downward ; 

 legs long ; tarsus 12 '00 inches or more in length. 



FAMILY 16. Phoenicopteridce. Flamingoes ; 1 species. 



ORDER VII. HERODIONES (HERONS, STORKS, 

 IBISES, ETC.). 



Toes four, all on the same level, slightly or not at all 

 webbed ; lores bare ; legs and neck generally much 

 lengthened. 



