_CATERPILLARS_ likewise kill and devour one another; and, besides that, Numbers of them die in shifting their Skins, and in changing into the _Chrysalis_ State. But the greatest Enemy they have in this State, is the _Ichneumon Fly_. In the _Aurelia_ State, such as have no Case are a Prey to Birds, _&c._ those in the Earth, to Moles, Mice, and other subterraneous Animals; and besides, great Numbers are destroyed by Frosts and Wet. In the _Fly_ State they are a Prey to Birds, Batts, and many other Creatures. There are four different Ways, in one or other of which all Animals of the _Moth_ or _Butterfly-Kind_ subsist during the Winter Season, _viz._ 1. Some in the Egg State. 2. Some in the _Caterpillar_ State. 3. Some in the _Chrysalis_ State. 4. And some in the _Fly_ State. It is likewise to be observed, that the several Species of them chuse different Places for their Residence 1. Some frequent Woods. 2. Some Plains and Heaths. 3. Some Hedges and Thickets. 4. Some Meads, and Mowing Grass. 5. And others marshy wet Grounds, _&c._ Several Kinds of _Caterpillars_ come forth of the Egg in _July_, _August_, _September_, and _October_, remain in the _Caterpillar_ State all the Winter, feed up in the Spring, then change into the _Chrysalis_ State, and produce _Flies_ a few Weeks afterwards. Others there are that continue in the Egg State all the Winter, are hatched in the Spring, and feed up in about 45 Days: then change into the _Chrysalis_, and produce their _Flies_ in about 14 Days afterwards. _N. B._ The Curious may be assured, that all these Observations are founded on real Facts, and not on any Supposition or Conjecture. And now, (as it seems exactly suitable to this Work) we shall beg Leave to close the Introduction with a short Description of the _Butterfly_, taken from a Poem called The UNIVERSE, which was written some Years ago By Mr. _Henry Baker_.