among physicians, denotes a quantity equal to that of the preceding ingredient. It is abbreviated thus, 3a, or a.

ANABOA, a small island situated near the coast of Loango in Africa, in E. Long. 9°. N. Lat. 1°. Here are several fertile valleys, which produce plenty of bananas, oranges, pine-apples, lemons, citrons, tamarinds, cocoa nuts, &c., together with vast quantities of cotton.—In this island are two high mountains, which, being continually covered with clouds, occasion frequent rains.