Agallis of Corcyra (Αγαλλίς) according to (Athenaeus, i, 25) wrote on grammar . She was a contemporary (and maybe a student) of Aristophanes of Byzantium.

She wrote about the work of Homer. (According to a comment she attruibuted the invention of the ball game to Nausicaa) and she describes Achilles' shield connected to the history of Attica.

Citations:

Sappho, Telesilla, and Corinna belong to an earlier period, when the Oriental idea of seclusion for women had not yet become firmly fixed in Greece...Women like Agallis of Corcyra, who lived in a much later age, doubtless belonged to the hetaerae class.

A Short History of Women's Rights From the Days of Augustus to the Present Time.