BUTTER FACTORY. (See Creamery.) BUTTERFLY. Inseets of the genus Papilio (Linn.) in the imago state. IVIany of them are butter it should he pressed entirely solid, in sueh forms of paekages as will best enable this to be aecomplished. Orange county tubs and barrels leave but little to be desired in this direction. They are easily eleaned, eompaet and quite water tight; another form is also nmeh used, and is mueh liked by grocers, sinee the butter may be easily turned out for cut ting up. If butter is to be transported in summer it must never be allowed to become even partially soft. Hence, many de vices have been invented for aceomplishing this purpose, one of whieh is shown with a dead air spaee at the side, the butter so arranged that it is carried in pound pats, perfectly cold. In large cities, so packed, it brings high prices, when branded with the name of well-known respectable produced from eaterpillars most injurious to cul tivated plants and trees, as the goosebeny and cabbage butterflies; which see. They have four
wings, imbrieated with downy seales. The body is hairy, and the tongue convoluted in a spiral form. There are numerous species, now formed into a group, subdivided into tribes, families and genera. The butterfly deposits its eggs, whieh hatch into eaterpillars.
These change to ehrys elides, which again, after undergoing hy bernation, come forth as the perfeet butterfly The food of the perfeet insect is honey only, but the group, in the caterpillar state, con tains some most destruetive insects to vegetation. , The butterflies are among the most beautiful of the inseet tribes. This, however, does not pre vent their larvEe from also being, many of them, most destruetive to vegetation, probably quite as much so as the lame of moths—another beauti ful family, in their perfect state. Hence, they should be destroyed wherever found. The eut shows (r, caterpillar; b, butterfly; c, d, sections of eaterpillar enlarged.