ON THE PINE AND FIR TRIRE. © «98 portion, that the profit of a few voyages is sufficient to repay the expense. Then, from the great lightness - of the wood, they swim higher in the water, and con- sequently will bear more loading. Most of the large ships that bring timber from Archangel, in Russia, are built of fir. As for the masts of ships, they, as 1 have already told you, are all made of fir or pme, on account of their straightness and lightness: = Geo, Are there not some lines in Milton’s Paradise Lost about that ? : - | oo. Tut. Yes: the spear of Satan is magnified by a _ comparison with a lofty pine. ‘¢ His spear, to equal which the tallast Pine Hewn on Norwegian hills, to be the mast Of somé great ammiral, were but a wand.’’ Har. I remember, too, that the walking staff of the giant Polypheme was a pine. a Se Tut. Ay—so Homer and Ovid tell us; and he must . have been a giant, indeed, to use such a stick. Well, so much for the wood of these trees. But I] havo more to say about their uses. | flar. I am glad of it. | Tut. All of the tribe contain a juice of a bitterish taste and strong fragrant smell. ‘This, in some, is so abundant as to flow out from incisions; when it is called Turpentine. The larch, in particular, yields a — large quantity. Turpentine is one of the substances -called resinous; it is sticky, transparent, very inflam-— mable, and will not mix with water, but will dissolve in spirits of wine. - | ~ Geo. What is it used for ? - - a : Tut. It is used medicinally, and surgically, particu- larly in the composition of plasters and ointments. It also is an ingredient in varnishes, cements, and the like. An oil, distilled from turpentine, is employed in > medicine, and is much used by painters, for mixing. up their colours. "What remains, after getting this oil, is ‘eommon resin, All these substances take fire ver? |