102 HIBERNATION OP THE COTTON BOLL WEEVIL. 



Page. 

 Boll weevil, hibernation, climatic conditions producing emergence, Dal- 

 las, Tex., 1906 52 

 hibernation and 

 activit}' of wee- 

 vils during 

 normal hiber- 

 nation period- 57-58 



conclusions and summary 95-100 



conditions favorable 41^2 



definition of term 15,95 



development during normal hibernation period. 13-14, 



26,28,66-67,95 



emergence, activity thereafter, nature 50-52 



as affected by acclimatization 42-43 



rainfall 41,53, 



59-61,69-71,91,96,97 

 related to accumulated effective 



temperature 46-48,97 



climatic conditions _- 52, 

 68-73,97 

 effective tempera- 

 tures 40-41,43-45 



in 1907 67-82,98 



the field, Victoria, Tex., 1906 52-54 



longevity thereafter 48,83-90,97-99 



of fed weevils thereaf- 

 ter 86-89,99 



unfed weevils there- 

 after 84-86,99 



records, monthly summary 79 



weekly 79-82 



as affected by climatic conditions. 58-62,95 



entrance therein 11-25,95 



experiments in large cages, Dallas, Calvert, and 



Victoria, Tex., 1906-7 55-67,98 



experiments in large cages, Dallas, Tex., 



1905-6 49-52,97 



experiments in large cages, Keatchie, La., 



1905-6 38-48,97 



small cages 33-38 



1902-3 34,96 



1903-4 34,96 



1904-^ 34-35,96-97 



1905-6 35-38,97 



food supply as affecting hibernated weevils.. 93-94,97 



longevity after emergence 48,83-90,97-99 



of fed weevils 86-89,99 



unfed weevils... 84-86,99 



shelter 25-33,95,96 



and time of entrance as affecting percent- 

 age of survival 74-77 



in bolls 14,25-30 



other than bolls within the field 30-31 



