CONTENTS. 



Introduction __ 7 



Ppogress of the investigation 7 



Comparison of summer and winter conditions 8 



Summary of results '. g 



Status of the species of birds known to eat the boll weevil. '. : 10 



Results of observations in 1905 I5 



Status of the boll weevil 15 



Conditions of bird life in the summer of 1906 16 



Summary of observations in 1905 16 



Schedule of stomach examinations 21 



5 



