X 
LIST OF ILLUSTRATIONS 
XXXIV. Pygmy Nuthatch .454 
XXXV. Mountain Chickadee. 458 
XXXVI. Varied Thrush .474 
DIAGRAMS. 
Measurement of Bill.xxviii 
Measurement of Tarsus ........ xxviii 
FIGURES IN THE TEXT 
FIGURE 
1. Western Grebe, foot. 
2. Loon, foot. 
3. Tufted Puffin, foot. 
4. Herring Gull, foot. 
5. Parasitic Jaeger, bill. 
6. Short-billed Gull, bill . . . . . 
7. Black-footed Albatross, bill . . . 
8. Giant Fulmar, bill. 
9. Cormorant, foot. 
10. Man-o’-War Bird, bill. 
11. White-crested Cormorant, bill . . . 
12. White Pelican, bill. 
13. Merganser, foot. 
14. White-faced Glossy Ibis, bill 
15. Green Heron, head. 
16. Sandhill Crane, foot. 
17. Florida Gallinule, foot .... 
18. White-rumped Sandpiper, foot . 
19. Killdeer, foot. 
20. Western Grebe, head. 
21. Horned Grebe, head. 
22. Least Grebe. 
23. Pied-billed Grebe. 
24. Loon, bill. 
25. Pacific Loon, head. 
26. Tufted Puffin, bill. 
27. California Murre, bill. 
28. Rhinoceros Auklet, bill .... 
29. Pigeon Guillemot, bill. 
30. Paroquet Auklet, bill. 
31. Least Auklet, bill ..... 
32. Tufted Puffin, head. 
33. Rhinoceros Auklet, bill .... 
34. Paroquet Auklet, bill. 
35. Least Auklet, bill. 
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