| PAGE |
| PREFACE | v |
| INTRODUCTION | xxi |
| CHAPTER I |
| 1845. Panassovka — Metchnikoff’s parents — Country life in Little Russia | 1 |
| CHAPTER II |
| Metchnikoff’s brothers and sister — Childish characteristics | 8 |
| CHAPTER III |
| 1850. Journey to Slaviansk — The coach attacked by peasants | 12 |
| CHAPTER IV |
| 1851. Departure for Kharkoff — Town life | 16 |
| CHAPTER V |
| 1853-1856. Leo Metchnikoff’s illness — Private tutors — Botanical studies — A memorable birthday | 19 |
| CHAPTER VI |
| Ancestors of the Metchnikoff family — The great “Spatar” — Leo Nevahovitch | 23 |
| CHAPTER VII |
| 1856-1861. The Kharkoff LycÉe — Bogomoloff and Socialism — Atheism — Natural History studies — Private lodgings — Private lessons in histology from Professor Tschelkoff — A borrowed microscope — First article — Italian opera — The gold medal | 28 |
| CHAPTER VIII |
| An early love — A schoolfellow’s sister — A pretty sister-in-law | 35 |
| CHAPTER IX |
| 1862. Journey to Germany — Leipzig, WÜrzburg — A hasty return | 37 |
| CHAPTER X |
| 1863. Kharkoff University — Physiology — The Vorticella — Controversy with KÜhne — The Origin of Species — Gastrotricha — University degree | 40 |
| CHAPTER XI |
| 1864-1866. Heligoland — Giessen Congress — Leuckart — Visit to Leo Metchnikoff at Geneva — Socialist gatherings — Metchnikoff’s discovery appropriated by Leuckart — Naples — Kovalevsky — Comparative embryology — Embryonic layers — Bakounine and SetchÉnoff — Cholera at Naples — GÖttingen — Anatomical studies — Munich; von Siebold — Music — Return to Naples — Intracellular digestion | 43 |
| CHAPTER XII |
| 1867-1868. Petersburg — Baer Prize — Return home — Friendship with Cienkovsky — Odessa — Naturalists’ Congress at Petersburg — Departure from Odessa — Zoological Lecturer’s Chair at Petersburg — Messina — Enforced rest — Reggio — Naples — Controversy with Kovalevsky — Visit to the B. family — Mlle. FÉdorovitch — Educational questions — Difficulties of life in Petersburg | 58 |
| CHAPTER XIII |
| 1868-1873. Slight illness — Engagement to Mlle. FÉdorovitch — Marriage — Illness of the bride — Pecuniary difficulties — Spezzia — Montreux — Work in Petersburg University — The Riviera — Coelomata and Acoelomata — St. Vaast — Panassovka — Madeira — Mertens — Teneriffe — Return to Odessa — Bad news, hurried journey to Madeira — Death of his wife (1872) — Return through Spain — Attempted suicide — EphemeridÆ | 65 |
| CHAPTER XIV |
| 1874. Anthropological expedition to the Kalmuk steppes — Affection of the eyes — Second expedition to the steppes — The eggs of the Geophilus | 82 |
| CHAPTER XV |
| 1875. Studies on childhood — The family in the upper flat — Lessons in zoology — Second marriage — Private life — Visit and death of Lvovna Nevahovna — Conjugal affection | 86 |
| CHAPTER XVI |
| 1875-1880. Metchnikoff at the age of 30 — Lecturing in Odessa University, from 1873 to 1882 — Internal difficulties — Assassination of the Tsar, Alexander II. — Further troubles in the University — Resignation — Bad health: cardiac symptoms — Relapsing fever — Choroiditis — Studies on EphemeridÆ — Further studies on intracellular digestion — The Parenchymella — Holidays in the country — Experiments on agricultural pests | 96 |
| CHAPTER XVII |
| 1881-1882. Death of his father- and mother-in-law — Management of country estates — Agitation and difficulties — Departure for Messina with young brothers- and sisters-in-law | 112 |
| CHAPTER XVIII |
| 1883. Messina &
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