Note (21) — BOOK I.
James Greive translation
21. Sexes.) Our author here proposes the difference arising from the sexes, as one of the subjects to be treated of, but no notice is taken of it in the subsequent part of the chapter: so that this word must either have been interpolated, or, as Constantine observes, Celsus must have forgot it, (which is not probable,) or his observations upon that article may be lost, by the carelessness of transcribers.