Page:Natural History (1848).djvu/123

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WHALES.
113


| As this band is pulled off, the body revolves, until | the stripping reaches the smadl, when it will turn | nomore. In the mean time, the head having been | placed in an upright position, an opening is made | in the front of the case, and the spermaceti dipped | out with a bucket at the end of a pole. The | gunk, a thick mass of tough, tendinous substance, | situated beneath the case, is then extracted and | cut into pieces, as well as the blubber; both of | these substances being rendered into oil by means of heat. The products are then stowed away in barrels in the hold.

| The preparation of the crude spermaceti, when | brought home, is thus performed :—*“‘ ‘The mass is | put into hair or woollen bags, and pressed between | plates of iron in a screw-press, until it becomes | hard and brittle; it is then broken into small | pieces, and thrown into boiling water, where it melts, and the impurities are separated from it. | After being cooled, and taken from the first water, | itis put into a boiler of clean water, and a weak solution of potash is gradually added. ‘This is | thrice repeated, after which the whole is poured into coolers, when the spermaceti concretes into a | white semi-crystallized mass, and on being cut into | small pieces exhibits a beautiful flaky appearance, so well known as belonging to the spermaceti of commerce.”

Famity IIl. BaLt@napez.

( Whales.)

As in the Cachalots, the head of the true Whales 4s of enormous bulk as compared with the body and extremities, but it does not terminate in a