$ &c. I 14 - Pap. ' om what principle are they arranged? . . " Tat. From the munitier and substance of their wings, or from the circumstance of their being entirely destitute of wings. - - . Pnp. ' Pray explain this. • • Tut, 1st. The first order is insects that have crustaceous or horny wings, as beetles. These have four wings: the upper ones are only cases, or coverings to the true wings, which are more delicate than the finest gauze. 2nd. Insects with half wing cases, as grasshoppers. birgs, &c. 3rd. . The butterfly tribe, which have their wings covered with dusty scales, like feathers. ...,4h, lusecis which have four transparent mem branaceous wings and no stings, as the dragon-fly. ' 6th. Inserts which has e four maked membranaceous wings with stings. This order includes wasps, bees, ants, &c. 6th. Insects which ha, e two wings, as flies, guais, 7th. insects which have no wings, as spiders and mites. This order compreheuds likewise crabs, shrimps, lobsters, and scorpions: i Pup. Do mot insects pass through several stages of existence? . . . . . Tut. They are usually oviparous or proceed from an egg; and in generál they pass through four stages of existence, viz. the egg ; the caterpillar state; the chrysalis, w hich, is, usually a state of torror; and the perfect insect. . . . . . . • * JPup. W here do iijsects*!iye?. .
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