"On the approach of winter, s bury themselves in the ground, and those that have shells retire within the shell as far as possible, and close the aperture of the shell with a film of the mucus which the body secretes so abundantly. In this condition they remain dormant until revived by the warm weather of spring. If the pupil will collect a number of snails in the early spring, and keep them confined in a box, with earth, damp leaves, or bits of rotten wood or bark, the snails in the course of a few weeks will lay a number of little eggs. These eggs will be white and round, about the size of a pin’s-head. By careful tending, that is, by keeping the leaves slightly moist, the eggs will hatch out tiny snails, and these will attain half their mature size the first season."