Other Leaf-Rollers 
with its blazing heat, to steady the shape of 
the still moist fabric. 
However different one from the other, the 
four leaf-rollers have shown us that the in- 
dividual craft is not a matter of organic 
structure, that the tool does not determine 
the nature of the work. Whether endowed 
with a rostrum or a snout, whether long- 
legged or slow, slender or thick-set, perfora- 
tors or cutters-out, they all four achieve the 
same result, the cylinder that acts as a shelter 
and a larder for the grub. 
They tell us that instinct has its origin else- 
where than in the organs. It goes farther 
back; it is inscribed in the primeval code of 
life. Far from being dependent on the tools, 
it commands them and is able to employ them 
as it finds them, with the same skill, for one 
task here and for another there. 
The little cooper of the oak-tree has not 
finished with her revelations. Having 
observed her pretty frequently, I know how 
fastidious she is of the quality of her victuals. 
If they be dry, she refuses them absolutely, 
even though it means dying of starvation. 
She wants them. tender, pickled in moisture, 
189 
