One day, a spider fell into a large glass vase, forgotten for a long time in a library. How, and by what course of peripatetics this accident happened, I know not. I can only tell you, that it was a large domestic spider, with an enormous oval abdomen, and its back of a blackish color, on which were marked two longitudinal lines of yellow spots. The animal caught in this transparent snare, as a wolf in a pitfall, set to work, running round the bottom of the vase, with all the speed his eight legs could achieve. When he had satisfied himself that no outlet was to be found on the ground-floor, he attempted to scale the glassy sides, which formed around him a circle of slippery and invisible walls; but his claws, sharp and bent like the tiger's, slipped on the hard, bare crystal, and after a quarter of an hour spent in the useless struggle, he fell back fatigued, discouraged, and panting into the middle of the vase. There he rolled and gathered his limbs together, resigned to die, as a gladiator of old kneeled in the midst of the arena, when he saw the Roman ladies raise their white hands and depress their delicate thumbs, to demand the death of the victim. A witness of the captive's efforts, feeling curious to know what would be the other acts of the drama now begun, took the glass vase and placed it in his cabinet, where there was the least light, so that he might be able to watch the spider without disturbing it. The latter remained immovable, rolled up, and dead to all appearance, until night closed in. Then, the observer, carelessly stretched in his easy chair, heard a movement, imperceptible, but which sounded at the bottom of the vase. He drew near to it with a light--immediately the spider feigned death. He was obliged, therefore, for that evening, to give up knowing all that took place, and the prisoner remained free from _surveillance_ till the next day morning. Then it was seen that the bottom of the vase was diapered all round, and about an inch up, with myriads of little whitish points, placed at distances almost geometrically regular. The spider slept in the middle. The next day silver threads were found, starting from each of these points to those opposite; these formed the warp of the web. The third day, the woof enlaced the threads of the warp, and thus a vast net was made to outstretch above the bottom of the glass vase; and some threads, arranged at equal distances, fixed this elastic floor, and rendered it firm. The spider, notwithstanding these gigantic labors, remained still in view, and wanted a dwelling. It had indeed a floor, or rather a carpet, on which it could walk without wearing or breaking its claws; the nets for hunting were stretched, but there was need of an apartment where it could find shelter and concealment, besides, it had no bed to sleep on.