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