Rau — Observations on Samia Cecropia, Linn. 23 



In A 10 a we see the longest duration of entire life of 

 male, 11 days 5 hours and 30 minutes. In A 15 we see the 

 shortest duration of entire life of male, 8 days 14 hours 

 and 40 minutes. The average duration of entire life of 

 male for the six instances is 10 days 1 hour and 26 2/3 

 minutes. 



(b) The duration of life of male from the time when first 

 observed in copulo until death. 



The notes are derived from observations in ten in- 

 stances, and exclude male A 1, which met with accidental 

 death. 



The longest duration of life of male from copulation 

 until death was A 5, 13 days 1 hour and 30 minutes. The 

 shortest duration was A10, 7 days and 30 minutes. The 

 average duration was 9 days 17 hours and 39 minutes. 



(c) The duration of life of male from the time when 

 copulation terminated until death. 



Notes derived from observations in ten instances. 



