xxvi LIST OF ILLUSTRATIONS 
PLATE FACING PAGE 
XXII. Pine Siskin, Redpoll, Tree Sparrow, Snow Bunting. 
L. A. Fuertes . ....... 381 
XXIII. Bachman’s, Swainson’s, and Worm-eating Warblers. 
L. A. Fuertes . ....... 441 
XXIV. Thrushes of the Genus Hylocichla. {In color .) 
L. A. Fuertes . ....... 492 
FIGURES IN THE TEXT 
FIGURE PAGE 
1. Topography of a bird ....... xiv 
2. Spotted (a), streaked ( b ), barred (c), margined (d) feathers. . xvii 
3. The Umbrella blind . . . . . . .11 
4. A completed bird skin ....... 19 
5. Migration of the Blackpoll Warbler ..... 42 
6. Migration of the Mourning Warbler ..... 43 
7. Migration of the Bobolink ...... 44 
8. Migration of the Redstart ...... 45 
9. Migration of the Golden Plover ..... 47 
10. Feathers of Snow Bunting ...... 87 
11. Bill of Woodcock ........ 104 
12. Bill of Avocet ......... 105 
13. Wing and foot of Tree Swallow . . . . .105 
14. Wing and foot of Little Black Rail ..... 105 
15. Man-o ’-war-bird ........ 106 
16. Wing of Woodcock ........ 106 
17. Tail of (a) Downy Woodpecker, (b) Brown Creeper . .107 
18. Flamingo ......... 107 
19. Toes of Ruffed Grouse ....... 108 
20. Foot of Osprey ........ 108 
21. Feet of (a) Phalarope, (b) Coot ..... 109 
22. Feet of (a) Pied-billed Grebe, (b) Loon, (c) Puffin . . 118 
23. (a) Bill of Parasitic Jaeger; (b) bill and foot of Laughing Gull 118 
24. Bill of Common Tern . . . . . . .119 
25. Bill of Skimmer . . . . . . . .119 
26. (a) Bill and foot of Black-footed Albatross; (b) bill and foot 
of Fulmar ......... 119 
27. Bill of Gannet ........ 120 
28. Bill of Yellow-billed Tropic Bird ..... 120 
29. Foot of Cormorant ........ 120 
30. Bill of Anhinga ........ 120 
31. Bill of Cormorant ........ 120 
32. Bill of Man-o’-war-bird ....... 120 
33. Bill of Merganser ........ 121 
34. (a) Bill and foot of Mallard; (6) foot of Canvasback . .121 
35. Bill of Flamingo . . . . . . . . 122 
