156 
Psyche 
[September 
to save their lives and has in time acquired a taste for it, but one 
can feel amply sure that the larva does not give this honey-dew 
because it loves the nurse or because it purposes to wheedle its 
keeper for a good meal. The larva at the slightest stimulus gives 
up its drop, perhaps only because it wants to rid itself of so 
much irritating material. 
