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ACKNOWLEDGMENT 11
INTRODUCTORY NOTE (FROM THE DIARY OF
ANTONIO DE BEATIS, 1517) 12
PREFACE 13
A RECORD OF THE MANUSCRIPTS 41
LIST OF ABBREVIATIONS 55
PROLOGUE 57
I PHILOSOPHY 61
II APHORISMS 88
III ANATOMY 93
IV COMPARATIVE ANATOMY 191
V PHYSIOLOGY 199
VI NATURAL HISTORY 204
VII HUMAN PROPORTIONS 206
VIII MEDICINE 215
IX OPTICS 217
X ACOUSTICS 262
XI ASTRONOMY 273
XII BOTANY 299
XIII GEOLOGY 308
XIV PHYSICAL GEOGRAPHY 315
XV TOPOGRAPHICAL NOTES 358
XVI ATMOSPHERE 372
XVII FLIGHT 403
XVIII FLYING MACHINE 493
XIX MOVEMENT AND WEIGHT 503
XX MATHEMATICS 612