[146] Among Galen's numerous works the following are the treatises and parts of treatises which are most important for a student of Galen's doctrines regarding the movement of the blood. A title quoted without further specification indicates a treatise in one book only, the whole of which should be read. Where no chapters of a book are specified the whole book should be read. The order is that of Kühn's edition: On the Natural Faculties, Book III, chapters 13-15, Kn. Vol. II, Dar. Vol. II. On Anatomical Manipulations, Book VII, chapters 4, 14, 15, 16; Book VIII, chapter 8, Kn. Vol. II. On the Dissection of the Veins and Arteries, chapters 1, 2, 8, 9, Kn. Vol. II. On the Use of the Parts of the Human Body, Books IV, VI, VII, IX, Kn. Vol. II, Dar. Vol. I, Book XVI, Kn. Vol. IV, Dar. Vol. II. On the Causes of Respiration, Kn. Vol. IV. On the Use of Respiration, Kn. Vol. IV. Is Blood Naturally Contained in the Arteries? Kn. Vol. IV. On the Use of the Pulse, Kn. Vol. V. On the Doctrines of Hippocrates and Plato, Book I, chapter 7, Book II, chapter 8, Book III, chapter 8, Book VI, Book VII, chapter 3, Kn. Vol. V. On the Causes of Disease, chapter 3, Kn. Vol. VII. On the Different Kinds of Pulse, Book IV, chapters 2, 6, 17, Kn. Vol. VIII. On the Causes of the Pulse, Book I, chapters 3, 4, Book II, chapter 15, Kn. Vol. IX. On Prognosis by the Pulse, Book II, chapter 1, Kn. Vol. IX. On Methods of Treatment, Book VIII, chapter 5, Book IX, chapter 10, Book XII, chapter 5, Kn. Vol. X. Commentaries on the Book on Nourishment of Hippocrates, Commentary III, chapters 8, 10, 23, Commentary IV, chapters 4, 6, Kn. Vol. XV. Commentaries on the Book on the Humors of Hippocrates, Commentary III, chapter 31, Kn. Vol. XVI. Commentaries on the Sixth Book of Hippocrates on Epidemic Diseases, Commentary VI, chapters 1-3, Kn. Vol. XVII, Pars II. [147] For the views of Columbus see his book: De Re Anatomica, Lib. VI, VII, XI, cap. 1, 2, 4; XII and XIII. [148] Columbus: De Re Anatomica, Lib. VII, 180, l. 1-6. [149] Harvey: Prelectiones, 33 and 35 right; 74 and 75 left. On the Motion, etc., XVI, Syd. 73, l. 12-17 and l. 24-28; Op. Omn. 74, l. 15-19 and l. 24-28; Do., XVIII, Syd. 83, l. 9-27; Op. Omn. 84, l. 31 to 85, l. 14. On Generation, LIII, Syd. 392, l. 14 to 393, l. 5; Op. Omn. 409, l. 13 to 410, l. 5; Do., LX, Syd. 452, l. 20-28; Op. Omn. 472, l. 1-7. On Uterine Membranes and Humours, Syd. 568, l. 8-27; Op. Omn. 587, l. 19 to 588, l. 5. [150] Harvey: On the Motion, etc., Syd. 32, l. 39 to 33, l. 31; Op. Omn. 34, l. 24 to 35, l. 19. In Galen's book, from which Harvey here quotes, the quoted passage is preceded by a corrected statement of the mechanics of the valves of the heart, and a declaration that their mechanics were unknown to Erasistratus. Then follow these words:--