CONTENTS xvii 



CHAPTEK XIII 



PAOE 



1868-1873. Slight illness — Engagement to Mile. FMorovitch 

 — Marriage — Illness of the bride — Pecuniary difficulties 

 — Spezzia — Montreux — Work in Petersburg University — 

 The Riviera — Ccelomata and Acoelomata — St Vaast — 

 Panassovka — Madeira — Mertens — TenerifFe — Return to 

 Odessa — Bad news, hurried journey to Madeira — Death of 

 hiswife(1872) — Return through Spain — Attempted suicide 

 — Ephemeridae . . . . . .65 



CHAPTER XIV 



1874. Anthropological expedition to the Kalmuk steppea — 

 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. Metchnikoft' 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 

 Ephemeridae — Further studies on intracellular digestion 

 — The Parenchymella — Holidays in the country — Experi- 

 ments on agricultural pests . . . .96 



CHAPTER XVII 



1881-1882. Death of his father- and mother-in-law — Manage- 

 ment of country estates — Agitation and difficulties — De- 

 parture for Messina with young brothers- and sisters-in-law 112 



