280 ENTOMOLOGICAL NEWS. [June, '14 



EGG NEST B. 

 Temperature at start 64 deg. F. 



Temperature at end of 5 minutes 120 deg. F. 



Temperature at end of 8 minutes 150 deg. F. 



Temperature at end of 10 minutes 160 deg. F. 



Rise in 10 min., 96 deg. F. 



EGG NEST C. 

 Temperature at start 64 deg. F. 



Temperature at end of 5 minutes 122 deg. F. 



Temperature at end of 10 minutes 154 deg. F. 



Temperature at end of 12 minutes 160 deg. F. 



Rise in 12 min., 96 deg. F. 



Conditions were then reversed, and the following tables 

 show what happened when the temperature was lowered. 

 The temperature of the nests at the start was 62 deg. F., and 

 a check thermometer reading 62 deg. F. at the start registered 

 36 deg. F. in two minutes. 



EGG NEST D. 



Temperature at start 62 deg. F. 



Temperature at end of 5 minutes 48 deg. F. 



Temperature at end of 10 minutes 42 deg. F. 



Temperature at end of 15 minutes 36 deg. F. 



Fall in 15 min., 26 deg. F. 



EGG NEST E. 



Temperature at start 62 deg. F. 



Temperature at end of 5 minutes 47 deg. F. 



Temperature at end of 10 minutes 40 deg. F. 



Temperature at end of 15 minutes 36 deg. F. 



Fall in 15 min., 26 deg. F. 



EGG NEST F. 



Temperature at start 62 deg. F. 



Temperature at end of 5 minutes 46 deg. F. 



Temperature at end of 10 minutes 38 deg. F. 



Temperature at end of 14 minutes 3 6 deg. F. 



Fall in 14 min., 26 deg. F. 



Upon placing other nests in hot and cold water, the following 



changes took place : 



EGG NEST G. 



Temperature at start 68 deg. F. 



Temperature at end of 5 minutes 112 deg. F. 



Temperature at end of 10 minutes 114 deg. F. 



Water temperature at start 148 deg. F. 



Water temperature at end of 10 minutes 114 deg. F. 



