xii LIST OF ILLUSTRATIONS. 



FIGURE PAOK 



9. (a) Bill and foot of Black-footed Albatross ; (b) bill and foot 



of Fulmar 42 



10. Foot of Cormorant 43 



11. Bill of Yellow-billed Tropic Bird . . . . . .43 



12. Bill of Gannet 43 



13. Bill of Anhinga 43 



14. Bill of Cormorant 43 



15. Bill of Man-o'-War Bird 43 



16. Bill of Merganser 44 



17. (a) Bill and foot of Mallard ; (b) foot of Canvasback . . 44 



18. Bill of Flamingo 45 



19. Bill and toe-nail of Little Green Heron 45 



20. Bill of White Ibis 45 



21. Bill of Roseate Spoonbill 45 



22. (a) Bill and foot of Clapper Rail : bills of (b) Yellow Rail, 



(c) Sora, (d) Florida Gallinule ; (e) bill and foot of Coot . 46 



23. Bill of Sandhill Crane 46 



24. Bill of Limpkin 46 



25. Bills of (a) Dowitcher, (b) Knot, (c) Black-bellied Plover, 



(d) Semipalmated Plover 47 



26. Feet of (a) Red Phalarope, (b) Knot, (c) Dowitcher, (d) Black- 



bellied Plover, (e) Semipalmated Plover . . . .47 



27. Bill of Ruffed Grouse .48 



28. Bill of Wild Pigeon 48 



29. Feet of (a) Barred Owl, (b) Red-shouldered Hawk ... 48 



30. Head of Barn Owl . .48 



81. Head of Barred Owl 48 



32. Head of Turkey Vulture 49 



33. Head of Red-shouldered Hawk 4!) 



34. Bill and foot of Carolina Paroquet 40 



35. Bill and foot of Belted Kingfisher 49 



36. Bill and foot of Yellow-billed Cuckoo 49 



37. (a) Bill and foot of Hairy Woodpecker, (6) foot of Arctic 



Three-toed Woodpecker 50 



38. Bill and foot of Nighthawk 50 



39. Bill and tail-feather of Chimney Swift 50 



40. Bill of Hummingbird 50 



41. Foot of Robin 51 



42. Bill and wing of Phcebe 51 



43. Bill and hind-toe of Horned Lark . . . . . .51 



44. (a) Bill and wing of Blue Jay, (b) bill of Crow . . . 51 



45. Bill and wing of Starling 52 



