CONTENTS. 



Introduction, ..... 



The material and its treatment, 



Recognition and treatment of broody birds, 



Variation in amount of broodiness, . 



Germinal basis of broodiness, . 



Modifying factors for broodiness, 



The production of a strain of low degree of broodiness through selection, 



Relation between birds of a low degree of broodiness and absence of broodi 



The interrelation of several broody characters. 



Summary and conclusions. 



Literature cited, ..... 



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