They Are The Work Of A Leaf-Boring Larva Which Has Eaten Its Way Between The Two Skins Of The Leaf, Much Like Boring A Tunnel Between The Two Surfaces Of A Sheet Of Paper.

If you take a needle you can insert the point in the burrow and pass it along wherever the bore is straight, so that the needle lies between the to sides of the leaf.

Off-hand, if any one were asked if it were possible to split a leaf, he would say no. This little creature, however, has worked along inside it, and lived there. The upper surface of the leaf is a darker green, and seems to the touch of firmer texture than the lower; there are no marks on the under surface, which does not seem touched, so that what the creature has really done is to split one surface. He has eaten along underneath it, raising it no doubt a little by the thickness of his body, as if you crept between the carpet and the floor. The softer under surface representing the floor is untouched. The woodbine leaves are often bored like this, and seem to have patterns traced upon them. There is no particle of matter so small but that it seems to have a living thing working at it and resolving it into still more minute atoms; nothing so insignificant but that upon examination it will be found to be of the utmost value to something alive. Upon almost every fir branch near the end there are little fragments like cotton, so thick in places as to quite hang the boughs with threads; these gossamer-like fragments appear to be left by some insect, perhaps an aphis; and it is curious to note how very very busy the little willow-wrens are in the fir boughs. They are constantly at work there; they sing in the firs in the earliest spring, they stay there all the summer, and now that the edge of autumn approaches their tiny beaks are still picking up insects the whole day long. The insects they devour must be as numerous as the fir needles that lie inches thick on the ground in the copse.

Across a broad, dry, sandy path, worn firm, some thousands of ants passing to and fro their nest had left a slight trail. They were hurrying on in full work, when I drew the top of my walking-stick across their road, obliterating about an inch of it. In an instant the work of the nest was stopped, and thousands upon thousands of factory hands were thrown out of employment. The walking-stick had left two little ridges of sand like minute parallel earthworks drawn across their highway. Those that came out of the nest on arriving at the little ridge on their side immediately stopped, worked their antennae in astonishment, then went up to the top of it, and seemed to try to look round. After a moment they ran back and touched those that were coming on to communicate the intelligence.

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