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were observed to copulate almost daily, or after each deposition 

 of a cluster of eggs. The thought arose as to whether this 

 frequent copulation was necessary for the hatching of the eggs, 

 for with insects one copulation is the rule, even with the queen 

 honey bee which lays eggs for a period of two or three years. 



To ascertain if such frequent copulation was necessary, a 

 female which had been laying eggs several weeks, having a male 

 present, and copulation occurring frequently, was placed by her- 

 self. Egg-laying continued as before, with the following result : 



