Note 3 — Chapter x · THE SLOE-WEEVIL
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The other cavities, which are wider and form irregular polygons, penetrate to the stone. The opening measures nearly four millimetres;3 and the walls, instead of slanting like those of the food-pits, rise vertically from the exposed stone. Let us note yet another detail whose importance we shall see presently: it is rare to find any gum in them, though the other cavities usually contain it. These pits, which are free from obstruction, are family establishments. I count two, three, four on the same sloe; sometimes only one. Very often they are accompanied, where the Weevil has fed, by funnel-shaped surface erosions.