CONTENTS 



Page 

 The first and last essential step in combating the Boll Weevil W. E. Hinds 233 



A new predaceous enemy of the Cotton Boll Weevil 



Wilmon Newell and R. C. Treherne 244 



The influence of minimum temperatures in limiting the northern distri- 

 bution of insects E. Dwight Sanderson 245 



Two interesting inquilines occurring in the nests of the Argentine Ant 



Wilmon Newell 262 



The fundamental principles of spraying //. T. Femald 265 



Description of new devices for rearing insects A. F. Burgess 267 



Report of the committee appointed to attend the annual meeting of the 



American Association of Nurserymen T. B. Symons and A . F. Burgess 269 



Notes on the work against the Gipsy Moth 



Editorial 



Current notes 



Scientific notes 



Grape blossom midge 

 White marked tussock moth 

 Bag worm 

 Elm leaf beetle 



