70 



HIBEKNATION OP THE COTTON BOLL. WEEVIL. 



activity of weevils during tlie winter of 1906-7 and the early beginning 

 for the period of emergence for that season. 



A comparison of figures 6, 7, and 8 indicates that the period of great- 

 est emergence in each locality occurred during March, 1907. The 

 abnormal nature of temperature conditions is shown by the fact that 



