waters, drains, and other places of the dirtiest description ; and though uninviting in its first appearance, deserves au accurate examination, from iliose who love to observe the contrivances of Na' nrc. Ti has seven feet On each side, which are curiously adapted to enable the insect to ascend perpendicular walls, &e. in order to seek a proper situation for its trans fbrmation into the chrysalis state. These feet are very broad, and thickly beset on their under side with small, hooked claws, with which it clings to the surface, without danger of failing.

The Musca pendula is black, with bright yellow stripes. Its larva inhabits stagnant waters, and is furnished with a long tail, that the creature can extcad at pleasure, terminated by a very small air-hole.. The length of this tube is varied according to the depth best suited to the inclination of the insect, the tip reach lag to the surface, to supply the requisite quantity of air. The complete insect is irequenily seen on flowers, do ring the autumnal season.

The common large Blow-fly ranks among
the hairy or bristly flies. The eggs being laid
n animal flesh, the maggots are hatched in the
space of a few hours, and are eight or ten days
in acquiring their full size. When it changes
to