WHEREVER Nature has commissioned one creature to prey upon another, she has preserved the balance by forewarning that other creature of what she has done. Nature says to the cat, "Catch the mouse," and she equips her for that purpose; but on the selfsame day she says to the mouse, "Be wary,—the cat is watching for you." Nature takes care that none of her creatures have smooth sailing, the whole voyage at least. Why has she not made the mosquito noiseless and its bite itchless? Simply because in that case the odds would be too greatly in its favor. She has taken especial pains to enable the owl to fly softly and silently, because the creatures it preys upon are small and wary, and never venture far from their holes. She has not shown the same caution in the case of the crow, because the crow feeds on dead flesh, or on grubs and beetles, or fruit and grain, that do not need to be approached stealthily. The big fish love to cat up the little fish, and the little fish know it, and, on the very day they are hatched, seek shallow water, and put little sandbars between themselves and their too loving parents.
How easily a bird's tail, or that of any fowl, or in fact any part of the plumage, comes out when the hold of its would-be capturer is upon this alone; and how hard it yields in the dead bird! No doubt there is relaxation in the former case. Nature says to the pursuer, "Hold on," and to the pursued, "Let your tail go." What is the tortuous, zigzag course of those slow-flying moths for but to make it difficult for the birds to snap them up? The skunk is a slow, witless creature, and the fox and lynx love its meat; yet it carries a bloodless weapon that neither likes to face.
I recently heard of an ingenious method a certain other simple and slow-going creature has of baffling its enemy. A friend of mine was walking in the fields when he saw a commotion in the grass a few yards off. Approaching the spot, he found a snake—the common garter snake—trying to swallow a lizard. And how do you suppose the lizard was defeating the benevolent designs of the snake? By simply taking hold of its own tail and making itself into a hoop. The snake went round and round, and could find neither beginning nor end. Who was the old giant that found himself wrestling with Time? This little snake had a tougher customer the other day in the bit of eternity it was trying to swallow.
The snake itself has not the same wit, because I lately saw a black snake in the woods trying to swallow the garter snake, and he had made some headway, though the little snake was fighting every inch of the ground, hooking his tail about sticks and bushes, and pulling back with all his might, apparently not liking the look of things down there at all. I thought it well to let him have a good taste of his own doctrines, when I put my foot down against further proceedings.
This arming of one creature against another is often cited as an evidence of the wisdom of Nature, but it is rather an evidence of her impartiality. She does not care a fig more for one creature than for another, and is equally on the side of both, or perhaps it would be better to say she does not care a fig for either. Every creature must take its chances, and man is no exception. We can ride if we know how and are going her way, or we can be run over if we fall or make a mistake. Nature does not care whether the hunter slay the beast or the beast the hunter; she will make good compost of them both, and her ends are prospered whichever succeeds.
"If the red slayer think he slays,
Or if the slain think he is slain,
They know not well the subtle ways
I keep, and pass, and turn again."
What is the end of Nature? Where is the end of a sphere? The sphere balances at any and every point. So everything in Nature is at the top, and yet no one thing is at the top.
She works with reference to no measure of time, no limit of space, and with an abundance of material, not expressed by exhaustless. Did you think Niagara a great exhibition of power? What is that, then, that withdraws noiseless and invisible in the ground about, and of which Niagara is but the lifting of the finger?
Nature is thoroughly selfish, and looks only to her own ends. One thing she is bent upon, and that is keeping up the supply, multiplying endlessly and scattering as she multiplies. Did Nature have in view our delectation when she made the apple, the peach, the plum, the cherry? Undoubtedly; but only as a means to her own private ends. What a bribe or a wage is the pulp of these delicacies to all creatures to come and sow their seed! And Nature has taken care to make the seed indigestible, so that, though the fruit be eaten, the germ is not, but only planted.
God made the crab, but man made the pippin; but the pippin cannot propagate itself, and exists only by violence and usurpation. Bacon says, "It is easier to deceive Nature than to force her," but it seems to me the nurserymen really force her. They cut off the head of a savage and clap on the head of a fine gentleman, and the crab becomes a Swaar or a Baldwin. Or is it a kind of deception practiced upon Nature, which succeeds only by being carefully concealed? If we could play the same tricks upon her in the human species, how the great geniuses could be preserved and propagated, and the world stocked with them! But what a frightful condition of things that would be! No new men, but a tiresome and endless repetition of the old ones,—a world perpetually stocked with Newtons and Shakespeares!