PUBLISHERS' NOTE. 



The present edition of this work has been carefully 

 revised by a practical ornithologist of much experience. 

 Where the advance of science has thrown fresh light 

 on any point, the editor has made the necessary altera- 

 tion, but he has scrupulously avoided unnecessary 

 tampering with the text, and has, wherever it was 

 possible, preserved the author's ipsissima verba. The 

 volume has been furnished with numerous additional 

 illustrations, 



