^ THE JOURNAL. 



breeding habits, the food eaten by the parent birds and that 

 given to the young should be carefully studied at every op- 

 portunity. Also learn how long a nest is in building, and 

 w^hat is the period of incubation of the eggs. Determine to 

 what extent environment influences the nest material used 

 and the food eaten. 



Remember that two prizes are offered for the two best 

 reports received, whether upon this study of the Warblers or 

 upon any other species you m.ay choose. 



