XV. WHEN DID LAMARCK CHANGE HIS VIEWS REGARDING THE 226 MUTABILITY OF SPECIES? XVI. THE STEPS IN THE DEVELOPMENT OF LAMARCK'S VIEWS ON 232 EVOLUTION BEFORE THE PUBLICATION OF HIS "PHILOSOPHIE ZOOLOGIQUE" XVII. THE "PHILOSOPHIE ZOOLOGIQUE" 279 XVIII. LAMARCK'S THEORY AS TO THE EVOLUTION OF MAN 357 XIX. LAMARCK'S THOUGHTS ON MORALS, AND ON THE RELATION 372 BETWEEN SCIENCE AND RELIGION XX. THE RELATIONS BETWEEN LAMARCKISM AND DARWINISM; 382 NEOLAMARCKISM BIBLIOGRAPHY 425 LIST OF ILLUSTRATIONS ATTEMPT AT A RECONSTRUCTION OF THE PROFILE OF LAMARCK BY DR. GACHET (Photogravure) _Frontispiece_ FACING PAGE BIRTHPLACE OF LAMARCK, FRONT VIEW } } 4 BIRTHPLACE OF LAMARCK " " } ACT OF BIRTH 6 AUTOGRAPH OF LAMARCK, JANUARY 25, 1802 10 LAMARCK AT THE AGE OF 35 YEARS 20 BIRTHPLACE OF LAMARCK. REAR VIEW FROM THE WEST } } 42 MAISON DE BUFFON, IN WHICH LAMARCK LIVED IN PARIS, } 1793-1829 } PORTRAIT OF LAMARCK, WHEN OLD AND BLIND, IN THE COSTUME OF A MEMBER OF THE INSTITUTE. ENGRAVED IN 1824 54 PORTRAIT OF LAMARCK 180 MAISON DE BUFFON, IN WHICH LAMARCK LIVED, 1793-1829 198 É. GEOFFROY ST. HILAIRE 212 LAMARCK, THE FOUNDER OF EVOLUTION. HIS LIFE AND WORK CHAPTER I BIRTH, FAMILY, YOUTH, AND MILITARY CAREER The life of Lamarck is the old, old story of a man of genius who lived far in advance of his age, and who died comparatively unappreciated and neglected. But his original and philosophic views, based as they were on broad conceptions of nature, and touching on the burning questions of our day, have, after the lapse of a hundred years, gained fresh interest and appreciation, and give promise of permanent acceptance.