Alvarez, Manoel a Portuguese Jesuit, was born on the island of Madeira, June 4, 1526. He was well versed in the Greek and Hebrew languages, and, above all, in the Latin language and literature, which he taught at Lisbon and Coimbra thus gaining a high reputation. He filled various offices in his order, and died at Lisbon, Dec. 30,1583. His Latin grammar, entitled De Institutione Grammatica, was published first at Lisbon in 1572, and was adopted in nearly all the schools of his order. Some of his companions, as Kess, Ricardi, Torsellino, prepared abridgments; others, criticisms. Alvarez is the author of a more celebrated work, entitled De Mensuris, Ponderibus, et Numeris. See Hoefer, Nouv. Biog. Generale, s.v.