Vlll 



CONTENTS. 



THE BIRDS OP NORTH AMERICA BAST OP THE NINE- 

 TIETH MERIDIAN 41 



Key to Orders and Families 



I. Order Pygopodes : Diving Birds 



1. Pamily PodioipidiB : Grebes 



2. Family Urinatoridae : Loons 



3. Family Alcidse: Aulcs, Murres, and PuiTins 



II. Order Longipennes : Long-winged Swimmers 



4. Pamily Slercorariidie : Skuas and Jaegers 



5. Family LaridiB : Gulls and Terns 



6. RynchopidiB : Skimmers 



III. 



Order Tubinares : Tube-nosed Swimmers 



7. Pamily Diomedeids : Albatrosses 



8. ProoellariidiE : Petrels, Fulmars, and Shear 



waters 



IV. Order Steganopodes : Totipalmate Swimmers 

 9. Family Phaethontidse : Tropic Birds . 



10. Family Sulidse : Gannets . 



11. Pamily Anhingidse : Darters 



12. Pamily PhalacroooraeidaB : Cormorants 



13. Pamily Pelecanidae : Pelicans . 



14. Family Pregatidse : Man-o'-War Birds 



V. Order Anseres : Lamellirostral Swimmers 



15. Pamily Anatidse : Ducks, Geese, and Swans 



VI. Order Odontogloss^ : Lamellirostral Grallatorbs , 



16. Family Phoenicopteridae : Flamingoes 



VII. Order Herodiones : Herons, Storks, Ibises, etc. . 



17. Family Plataleidas : Spoonbills 



18. Pamily Ibididse : Ibises 



19. Pamily Ciooniidse : Storks and Wood Ibises 



30. Pamily Ardeidte : Herons, Egrets, and Bitterns 



VIII. Order Paludiool^ : Cranes, Rails, etc. 



31. Pamily Gruidae : Cranes 



23. Pamily Aramidae : Courlans 



33. Pamily Rallidse : Rails, Gallinnles, and Coots . 



IX. Order Limicol^: Shore Birds 



34. Pamily Phalaropodidse : Phalaropes . 



25. Pamily Recurvirostridae : Stilts and Avooets . 

 86. Family Scolopacidae : Snipes, Sandpipers, etc. . 



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