7 “ 6 7 8 
a = ‘ 
9 
Md 43 
10 2 << 
S Ma. 
Ap (O) Py 
IG 
«S oA 
M7 
19 —— 
ge 
24 25 
2 Sas = 
o 
27 
= z 
1. Booted tarsus of a Robin. 2. Billof a Robin. 3. Scutellate tarsus of the Brown 
Thrush. 4. Bill of the Brown Thrush. 5. Billofa nuthatch. 6. Bill of a creeper. 7. 
Bill of a warbler; genus Helminthophaga ; 8, Dendreca,; 9, Myiodioctes. 10. Wing-feather 
of the Cedar-bird, with horny appendage. 11. Head of a Cedar-bird, with crest raised. 
12. Bill of the Goldfinch. 13. Bill of the Rose-breasted Grosbeak. 14. Bill of the Sharp- 
tailed Finch. 15. Tail-feathers of the same bird. 16. Bill of a crdéssbill. 17, Hind-toe 
and claw of the Snow Bunting. 18. Bill of the Red-winged Blackbird. 19. Bill of the 
Canada Jay. 20. Bill of the Great Crested Flycatcher; (21.)as seen from above. 22. “Mu- 
cronate” tail-feathers of the Chimney Swift. 23. Head of the Chimney Swift. 24. ‘‘Syn- 
dactyle” foot of the Kingfisher. 25. Bill of the Downy Woodpecker. 26. Raptorial bill 
(genus Accipiter). 27. Tip of bill, genus Falco. 28. Bill of a pigeon. 29. Tarsus of a 
pigeon. 
