ALEXIACUS. The appellation under which Neptune was implored to protect the nets of the tunny fisheries from the sword-fish.

ALFERE, or Alferez [alfier, Fr.; alferez, Span.] Standard-bearer; ensign; cornet. The old English term for ensign; it was in use in our forces till the civil wars of Charles I.

ALFONDIZA. The custom-house at Lisbon.

ALGA. A species of millepora.

ALGÆ. Sea-weeds, and the floating scum-like substances on fresh water; they deserve to be more studied, for some, as dulse, laver, badderlocks, &c., are eatable, and others are useful for manure.

ALGEBRA. A general method of resolving mathematical problems, by means of equations, or rather computing abstract quantities by symbols or signs; a literal arithmetic.

ALGENIB. A principal star (γ) in Pegasus.

ALGERE. A spear used by fishermen in olden times.

ALGIER DUTY. An imposition laid on merchants' goods by the Long Parliament, for the redemption of captives in the Mediterranean.

ALGOL. A wonderful variable star in Perseus, which goes through its changes in about two days and twenty-one hours.