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ARCOLA, a village of northern Italy, 16 m. E.S.E. of Verona, on the Alpone stream, near its confluence with the Adige below Verona. The village gives its name to the three days' battle of Arcola (isth, i6th and I7th of November 1796), in which the French, unde ...

ARCELLA (C. G. Ehrenberg), a genus of lobose Rhizopoda, characterized by a chitinous plano-convex shell, the circular aperture central on the flat ventral face, and more than one nucleus and contractile vacuole. It can develop vacuoles, or rather fine bubbles

ARCOT, the name of a city and two districts of British India in the presidency of Madras. Arcot city is the principal town in the district of North Arcot. It occupies a very prominent place in the history of the British conquest of India, but it has now lost i

ARGOL, the commercial name of crude tartar (q.t.). It is a semi-crystalline deposit which forms on wine vats, and is generally grey or red in colour.