Ptolemy's Tetrabiblos: Book the First: Chapter XV. Masculine and Feminine Signs

CHAPTER XV

MASCULINE AND FEMININE SIGNS

AGAIN, among the twelve signs, six are called masculine and diurnal, and six feminine and nocturnal. They are arranged in alternate order, one after the other, as the day is followed by the night, and as the male is coupled with the female.

The commencement, it has been already said, belongs to Aries; since the moisture of the spring forms an introduction for the other seasons. And, as the male sex governs, and the active principle takes