oasts
of Spanish and Portuguese settlements.

ANGUILLIFORM. Applied to fishes having the shape, softness, and
appearance of eels.

ANGULAR CRAB. An ugly long-armed crustacean--the _Goneplax
angulata_--with eyes on remarkably long stalks.

ANGULAR DISTANCE. This term, when applied to celestial bodies, implies
that the sun and moon, or moon and stars, are within measuring distance
for lunars.

ANGULAR MOTION is that which describes an angle, or moves circularly
round a point, as planets revolving about the sun.

ANGULAR VELOCITY. This is a term used in the orbits of double stars, and
implies the motion in a certain time of one star round the other.

ANILLA. A commercial term for indigo, derived from the plant whence it
is prepared. [Sp. _anil_, indigo, Indigofera; _alnyl_, Arab.]

ANIMAL FLOWERS. _Actiniae_, or sea-anemones and similar animals, which
project a circle of tentacula resembling flowers. Formerly they were all
classed under zoophytes.

ANIMATE. The giving power or encouragement.--_To animate a battery_, to
place guns in its embrasures.--_To animate a needle_, to magnetize
it.--_To animate the crew_ in various ways for any special duty.

ANKER. An anker of brandy contains ten gallons. The kegs in which
Hollands is mostly exported are ankers and half-ankers.

ANKER-FISH. A name of a kind of cuttle-fish.

ANKLE-BONE. An old seaman's term for the crawfish.

ANNELIDS. A class of worm-like animals, of which the body is composed of
a series of rings.

ANNET. A sea-gull, well known in Northumberland and on the northern
coasts.

ANNIVERSARY WINDS. Those which blow constantly at certain seasons of the
year, as monsoon, trade, and etesian winds.

ANNONA. An ancient tax for the yearly supply of corn or provisions for
the army and capital: still in use in Italy.

ANNOTINAE. The ancient Roman victuallers or provision vessels.

ANNOTTO (_Bixa orellana_). The plant from the dried pulp of the
seed-vessels of which a delicate red dye is obtained, used to give a
rich colour to milk, butter, and cheese.

ANNUAL. Those astronomical motions which return or terminate every year.

ANNUAL ACCOUNTS. The ship's books and papers for the year.

ANNUAL EQUATION. An inequality in the moon's march, arising from the
eccentricity of the earth's orbit, whereby the diurnal motion is
sometimes quicker and at other times slower than her mean motion.

ANNUAL PARALLAX. _See_ PARALLAX.

ANNUAL RETURNS. In addition to the g