Chapter III. : concerning the Copulation of the Man with the Woman. Chapter IV. : con-

cerning the Philosophic Coition of the Husband with his Wife. Chapter V. : concerning the Black Coloiu-. Chapter VI. : concerning the Bud appearing in the Gla5s. Chapter VII. : concerning the Red Coloiu-. Chapter VIII. : concerning Increase and Multiplication. Conclusion.
The Economy of Minerals, elsewhere called the Genealogy of Minerals 89
Preface to the Reader. Chapter I. : concerning the Generations of Minerals. Chapter