Rau—O bservations on Samia Cecropia, Linn. 23 
In A 10* 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. 
KNOWN AS DAYS HOURS 
A 5 13 1:30 
A 3 12 23:30 
A 8 10 9:30 
A ll 10 1 
A 4 10 0:30 
A 14 9 5:30 
A 12 9 0:30 
A 10a 8 13 
A 15 7 1 
A 10 7 0:30 
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. 
KNOWN AS DAYS HOURS 
A 5 12 1:30 
A 3 12 0 
A 4 9 16 
A 8 9 9 
A 14 9 5:30 
A 12 9 5 
All 9 1 
A 10a 7 1:30 
A 15 6 14:30 
A 10 6 1 
