KEY. 291 



g, bill, small; wings, lontr. 



1, inhabit chimneys; flight, swift; Y, p. 184. 

 h, size, very small; bill, long, slender. 



1, much about flowers ; Z, p. 184. 

 i, bill, long, pointed; wings, long. 



1, head, crested ; food, chiefly fishes ; AA, p. 185. 

 j, small birds with flattened bills; songless. 



1, food, insects, caught in flight; BB, p. 186. 

 k, singing birds ; never large. 



1, colors, varied; CC, p. 192. 



KEY TO FAMILIES. 



A, p. 11. 



1, bill, slender; B, p. 12. 



2. bill, thick; B, p. 13. 



B, p.. 14. 



1, bill, pointed; p. 14. 



C, p. 16. 



1, neck, short; bill, compressed; black; A, a, p. 16. 



2, neck, short; bill, compressed; red; C, e, p. 20. 



3, bill, pointed; white beneath ; C, b, p. 17. 



4, bill, pointed; black or mottled beneath ; C, c, p. 18. 



5, small; bill, conical ; C, d, p. 19. 



D, ocean birds; p. 21. 



1, very large; wings, long and narrow; A, p. 22. 



2, size, variable; fly near the surface of water; A, p. 22. 



E, p. 27. 



a, bill, pointed. 



1, central tail feathers, greatly elongated; A, p. 27. 



2, tail pointed; large; B, p. 29. 



3, tail and neck, long; E, p. 34. 



