Bianca (Othello) request. Midway through 4.1., and prior to Bianca's entrance, Othello has been secretly observing a bawdy discussion between Iago and Cassio about the latter's sexual exploits with a young woman. Thanks to Iago's impeccable planning (and some bad luck), neither speaker mentions the name of the woman in question; it is in fact Bianca, but Othello tragically assumes it to be his wife, Desdemona. Bianca suddenly enters, and her suspicions of Cassio are even greater than before. She is convinced that the handkerchief belongs to another woman, and throws it contemptuously at Cassio's feet. In Othello's eyes, her apparent jealousy
Othello his actions and leaves to tell the others what has happened. "Othello" is an adaptation of the Italian writer Cinthio's tale "Un Capitano Moro" ("A Moorish Captain") from his "Gli Hecatommithi" (1565), a collection of one hundred tales in the style of Giovanni Boccaccio's "Decameron." No English translation of Cinthio was available in Shakespeare's lifetime, and verbal echoes in "Othello" are closer to the Italian original than to Gabriel Chappuy's 1584 French translation. Cinthio's tale may have been based on an actual incident occurring in Venice about 1508. It also resembles an incident described in the earlier tale of "The