ILLUSTRATIONS. 



PAOE 



1. Pied-bill Grebe ....... , V . . . Facing 4 



2. Loon . . . . .. t . .,' . . .' '';.. " 10 



3. Ancient Murrelets . . .. s <. . ';..'". " 14 



4. Jaeger . ' * . '.',..,. . . ,". " 18 



5. Cormorant and Herring-Gull . .--. >. /. . , .. " 30 



6. Petrel . . . . . . ; ' . .\ ' . ' : . " 34 



7. Gannets . ... . x ./ . . . . ' ! 42 



8. Anhinga . . ..... f . / . " 48 



9. Flamingoes . . ' . . . . , . " 52 



10. Head of White Pelican in Breeding Season . . ... . 63 



11. Skeletons of Man and Bird . . . . . .', . 67 



12. Bones of Wing of Bird and Arm of Man . . . . ' . 69 



13. Leg Bones of the Loon . ...... . .72 



14. Wing Bones of Bat . f . . . . . ' . 75 



15. Wing of Bird . . . .' . . .. J . . . 76 



16. Diagram of Technical Terms . * . . . . / 78 



17. Gulls flying ., *'_^ ... ..' ... . 85 



18. Gulls flying (from an instantaneous photograph) . . 86 



19. Gulls flying (fifty images per second) . * ". ', 87 



20. Semi-palmate Foot of Sandpiper . . ..,-'..' .; . . 94 



21. Lobate Foot of Phalarope . -. * :. . ^-/ . . 94 



22. Excised Webbed Foot of Black Tern 95 



23. Palmate or Webbed Foot of Duck 95 



24. Toti-palmate Foot of Gannet 95 



25. Zygodactyl (or Yoke-toed) Foot of Woodpecker ... 96 



26. Syndactylous Foot of Kingfisher 97 



xi 



