( cxxxiii ) 



Female parent, hippocoon, captured June 18, 1912; oviposited 

 June 18-19 ; killed by monkey June 21. 



Mr. Lamborn further stated that family IV had been the 

 subject of a little experiment suggested by Prof. Poulton, 

 who wrote out to him on March 12th, suggesting that shock 

 of some kind — as for instance by the cooling down of the 

 pupae by means of ice — might possibly result in the pro- 

 duction of ancestral characteristics. 



The larvae pupated as noted in the above table between the 

 25th and 27th of May, and at nine p.m. on May 30th the 

 temperature of the box in which the pupae had been placed was 

 reduced by ice to about 50° F., which temperature was main- 

 tained till the evening of June 2nd. The ice had given out on 

 the morning of June 3rd, and the experiment was then brought 

 to a finish owing to difficulty in obtaining a further supply. 

 On examination of the female offspring in the Hope Depart- 



