GLOW-WORMS, EARTHWORMS, SNAILS AND SLUGS. 293 
GLOW-WORMS. 
By observing two glow-worms whicli were brought from the 
field to the bank in the garden, it appeared 
to us, that these little creatures put out 
their lamps between eleven and twelve, and 
shine no more for the rest of the night. 
Male glow-worms, attracted by the light 
of the candles, come into the parlour. 
Glow-worms. 
EARTH-WORMS. 
Earth-worms make their casts most in mild weather about 
March and April ; they do not lie torpid in winter, but come 
forth when there is no frost ; they travel about in rainy nights, 
as appears from their sinuous tracks on the soft muddy soil, 
perhaps in search of food. 
When earth-worms lie out a-nights on the turf, though they 
extend their bodies a great way, they do not quite leave their 
holes, but keep the ends of their tails fixed therein, so that on 
the least alarm they can retire with precipitation under the earth. 
Whatever food falls within their reach when thus extended, they 
seem to be content with, such as blades of grass, straws, fallen 
leaves, the ends of which they often draw into their holes ; even 
in copulation their hinder parts never quit their holes ; so that 
no two, except they lie within reach of each other's bodies, can 
have any commerce of that kind ; but as every individual is an 
hermaphrodite, there is no difficulty in meeting with a mate, as 
would be the case were they of different sexes. 
SNAILS AND SLUGS. 
The shell-less snails called slugs are in motion all the winter in 
mild weather, and commit great depredations on garden plants, 
and much injure the green wheat, the loss of which is imputed 
to earth-worms ; while the shelled snail, the (jytpeoiKog, does not 
come forth at all till about April 10th, and not only lays itself 
up pretty early in autumn, in places secure from frost, but also 
throws out round the mouth of its shell a thick operculum 
