SCHILLER, F. C. S. Scientific Discovery and Logical Proof 235 INDEX 291 LIST OF PLATES PLATE FACING PAGE I. Hildegard receiving the Light from Heaven (Wiesbaden Codex B, fo. 1 _r_) _Frontispiece_ II. The Three Scripts of the Wiesbaden Codex B (fo. 17 _r_, col. b; fo. 32 _v_, col. b; fo. 205 _r_, col. b) 4 III. Title-page of the Heidelberg Codex of the _Scivias_ 5 IV. The Universe (from the Heidelberg Codex of the _Scivias_) 12 V. (_a_) Opening lines of the Copenhagen MS. of the _Causae et Curae_. (_b_) Opening lines of the Lucca MS. of the _Liber divinorum operum simplicis hominis_ 13 VI. Nous pervaded by the Godhead and controlling Hyle (Lucca MS., fo. 1 _v_) 20 VII. Nous pervaded by the Godhead embracing the Macrocosm with the Microcosm (Lucca MS., fo. 9 _r_) 21 VIII. The Macrocosm, the Microcosm, and the Winds (Lucca MS., fo. 27 _v_) 28 IX. Celestial Influences on Men, Animals, and Plants (Lucca MS., fo. 371) 28 X. A Crucifix in the Uffizi Gallery; about the middle of the thirteenth century 30 XI. The Structure of the Mundane Sphere (Lucca MS., fo. 86 _v_) 32 XII. (_a_) Man’s Fall and the Disturbance of the Elemental Harmony (Wiesbaden Codex B, fo. 4 _r_). (_b_) The New Heaven and the New Earth (Wiesbaden Codex B, fo. 224 _v_) 33 XIII. The Last Judgement and Fate of the Elements (Wiesbaden Codex B, fo. 224 _r_) 36 XIV. Diagram of the Relation of Human and Cosmic Phenomena: ninth century (Bibliothèque Nationale MS. lat. 5543, fo. 136 _r_) 37 XV. An Eleventh-century French Melothesia (Bibliothèque Nationale MS. lat. 7028, fo. 154 _r_) 40 XVI. A Melothesia of about 1400 (from Bibliothèque Nationale MS. lat. 11229, fo. 45 _v_) _Between_ 40 _and_ 41 XVII. Facsimile from the _Symbolum Apostolicorum_, a German Block Book of the first half of the Fifteenth Century (Heidelberg University Library) _Between_ 40 _and_ 41 XVIII. An Anatomical Diagram of about 1298 (Bodleian MS. Ashmole 399, fo. 18 _r_) 41