CONTENTS 



•CHAPTER PAQB 



1. Ancestors 1 



II. Feathers 19 



III. The Framework of the Bird 62 



IV. The Skull 103 



V. Organs of Nutrition 116 



VI. The Food of Birds 142 



VII. The Breath of a Bird ] 65 



VIII. Muscles and Nerves 188 



IX. The Senses 203 



X. Beaks and Bills 223 



XI. Heads and Necks 252 



XII. The Body of a Bird 285 



XIII. Wings 319 



XIV. Feet and Legs 353 



XV. Tails 398 



XVI. The Eggs of Birds 427 



XVII. The Bird in the Egg 462 



Appendix — Brief List of Useful Books 483 



Index 485 



