See also:SPERMACETI (from See also:Lat. sperma, See also:seed, and See also:cetus, a ' See also:whale)
, a See also:wax found in the See also:head cavities and blubber of the sperm-See also:whale (Physeter macrocephalus), where it is dissolved in the sperm oil while the creature is living; it also occurs in other See also:Cetacea (see WHALE See also:OILS)
.
At a temperature of about 6° C. the solid See also:matter separates in a crystalline See also:condition, and when purified by pressure and treatment with weak See also:solution of See also:caustic See also:alkali it forms brilliant See also:- WHITE
- WHITE, ANDREW DICKSON (1832– )
- WHITE, GILBERT (1720–1793)
- WHITE, HENRY KIRKE (1785-1806)
- WHITE, HUGH LAWSON (1773-1840)
- WHITE, JOSEPH BLANCO (1775-1841)
- WHITE, RICHARD GRANT (1822-1885)
- WHITE, ROBERT (1645-1704)
- WHITE, SIR GEORGE STUART (1835– )
- WHITE, SIR THOMAS (1492-1567)
- WHITE, SIR WILLIAM ARTHUR (1824--1891)
- WHITE, SIR WILLIAM HENRY (1845– )
- WHITE, THOMAS (1628-1698)
- WHITE, THOMAS (c. 1550-1624)
white crystalline scales or plates, hard, but unctuous to the See also:touch, and destitute of See also:taste or See also:smell
.
It is quite in-soluble in See also:water, very slightly affected by boiling See also:alcohol, but easily dissolved in See also:ether, See also:chloroform, and See also:carbon bisulphide
.
See also:Spermaceti consists principally of cetin or cetyl palmita,te, C,5H31CO2Cr6H33
.
The substance is used in making candles of See also:standard photometric value, in the dressing of fabrics, and in See also:medicine and See also:surgery, especially in cerates, bougies, ointments, and in cosmetic preparations
.
SPERM-WHALE, or CACHALOT (Physeter macrocephalus), the largest representative of the toothed whales, its length and bulk being about equal to, or somewhat exceeding those of the See also:Arctic right-whale, from which, however, it is very differenthas on each See also:side from twenty to twenty-five stout conical See also:teeth, which' furnish See also:ivory of See also:good quality, though not in sufficient bulk for most of the purposes for which that See also:article is required
.
The upper teeth are rudimentary and buried in the See also:- GUM (Fr. gomme, Lat. gommi, Gr. Kµµ1, possibly a Coptic word; distinguish " gum," the fleshy covering of the base of a tooth, in O. Eng. gbma, palate, cf. Ger. Gaumen, roof of the mouth; the ultimate origin is probably the root gha, to open wide, seen in
gum
.
The flipper is See also:short, broad, and truncated, and the dorsal fin a See also:mere See also:low protuberance
.
The See also:general See also:colour of the See also:surface is See also:black above and See also:grey below, the See also:colours gradually shading into each other
.
The sperm-whale is one of the most widely distributed of animals, being met with, usually in herds or See also:schools," in almost all tropical and subtropical seas, and occasionally visiting the See also:northern seas, a number having been killed around the Shetlands a few years ago
.
The See also:food of sperm-whales consists mainly of squid and cuttlefish, but also comprises See also:fish of consider-able See also:size
.
The substance called " See also:ambergris," formerly used in medicine and now in See also:perfumery, is a See also:concretion formed in the See also:intestine of this whale, and found floating on the surface of the See also:sea
.
Its genuineness is proved by the presence of the horny beaks of the cuttles on which the whale feeds
.
The one representative of the genus Cogia is called the lesser or pigmy sperm-whale, being only from 9 ft. to 13 ft. See also:long
.
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