INTRODUCTORY xxv 



Dr. L. B. Bishop, William Brewster, Henry P. Bridges, 

 Neil Clark, Henry Cook, John A. Cox, L. S. Crandall, Sam- 

 uel Evans, Wallace Evans, Dr. George W. Field, William L. 

 Finley, Dr. A. K. Fisher, Edward H. Forbush, Henry Ford, 

 A. N. Frey, Amos E. George, John Heywood, Dr. C. F. 

 Hodge, Frank Hopkins, Dr. William T. Hornaday, F. H. 

 Kennard, Charles D. Lanier, Rev. WilHam R. Lord, A. G. 

 MacVicar, F. N. Manross, W. L. McAtee, E. A. Mcllhenny, 

 Mrs. George H. Mellen, Arthur Merrill, Dr. John C. 

 Phillips, Harry T. Rogers, Adam Scott, Ludwig Seidler, 

 C. A. Shaw, Dr. A. F. Warren, Ernest A. Watts, William 

 P. Wharton, Dr. J. W. Whealton, William Whisker. If I 

 have inadvertently omitted other kind helpers, I am no 

 less grateful to them also. The skilled and patient bac- 

 teriological researches of Dr. L. F. Rettger, of Yale Univer- 

 sity, with whom I have been delightfully associated in the 

 investigation of galKnaceous birds, have proved of great 

 value in the solution of important problems. 



Also I would thank most heartily for the use of photo- 

 graphs for this volume the following: Wallace Evans, 

 Thorn L. German, Edward H. Forbush, Henry Ford, John 

 Heywood, William B. Hoot, Verdi Burtch, W. N. Dirks, 

 F. N. Manross, George H. Graham, Henry P. Bridges, 

 Harry T. Rogers, John Winters, Arthur W. Brokway, 

 Francis Harper, G; Curtiss Job, and the National Associ- 

 ation of Audubon Societies. 



In addition to the above I would mention Dwight W. 

 Huntington, who has for years been a recognized pioneer 

 in this movement, and has long cooperated with me. His 

 magazine. The Game Breeder, New York City, is valuable 

 for all who undertake these methods of propagation. An- 

 other valued ally in this movement is The American Game 

 Protective and Propagation Association, whose president, 



