Echinodermata, Metchnikoff's researches, etc., 61, 62, 70; metamorphoses of, 72, 73; and intracellular digestion, 107, 110, 116; observations on larvæ transformation, 119 _Education from an Anthropological Point of View_, Metchnikoff's paper on, 63, 74 Ehrlich, Prof., 199, 265 Embryology, comparative, Metchnikoff's studies in, 50-51, 56, 57, 107, 277 Emmerich, 265; attack on phagocyte theory, 131; attacks refuted, 148 Engelmann, 45 Ephemeridæ, Metchnikoff's study of, 105, 106, 193, 237 Escherich, 265 _Essais optimistes_, 191-2, 209 _Études sur la nature humaine_, 185, 191, 209; quoted, 188 Evolution, Metchnikoff's researches in, 50-51 _Fabricia_, Metchnikoff's researches on, 43 Fédorovitch, Mlle. Ludmilla, afterwards Madame Elie Metchnikoff, 63; engagement to Metchnikoff, 65-9; marriage to Metchnikoff, 69; illness of, 69-70; a clever draughtswoman, 71; temporary recovery of, 73; relapse, 74, 75, 78; death, 79 Fédorovitch, Mlle., 71, 74, 78, 80; account of interview with Metchnikoff, 83 "Flora of the Human Body," Wilde Lecture, 1901, 182 _Flore du corps humain_, La, 224 "Forces curatives de l'organisme," quoted, 120-21 _Forty Years' Search for a Rational Conception of Life_, 223 _Founders of Modern Medicine, The_, extract from preface to, 247-8 Fraenkel, Carl, 265 Gamaléia, Dr., 127, 133 Garibaldi Movement, the, 47 Garnier, M., 21, 22 _Gastræa_, Haeckel's theory of the, 108 "Gastrotricha," Metchnikoff's establishment of, 42 Geneva, young revolutionary centre, 47-8 _Geodesmus bilineatus_, 106-7 Geophilus (_see_ Myriapoda) George, Henry, 202 Germany, Metchnikoff's appreciation of scientists of, 55 Germany, declaration of war on Russia, 240; on France, 242 Giessen, Naturalists' Congress at, 1864, 44-5 _Glycobacter peptonicus_, 221, 222 Goethe, _Faust_, 195, 204 Goldschmidt, Dr., 78, 79 _Göttingen News_, Leuckart's memoir on Nematodes in, 48 Granada, 124 Gravitz, 169 _n._ Grove, _The Unity of Physical Forces_, 32 Guancios, Caves of the, 77 Haeckel, theory of the _gastræa_, 108 Hayem, 169 _n._ Heitz, Dr., 231 Heligoland, flora and fauna of, 43 Helmholtz, 48 Henle, Prof., 54 Herzen, _Passé et pensées_, 47 Hirschfeld, 169 _n._ Hodounof, 19, 20, 22 Hueppe, Prof., 131 Hugo, Victor, 260 _n._ Iamanouchi, M., 211 Immunity, 122; opposing theories of Behring and Metchnikoff, 148, 149, 150, 151; ancient and modern theories of, 168-70; Metchnikoff's exposition of, 171-180 _Immunity in Infectious Diseases_, 170 Infantile cholera, 207, 220-21 _Inflammation_, Metchnikoff's lectures on, 152-3 Intestinal flora, problem of, 196-8, 206; further researches, 220, 235, 280; experiments with rats, 221, 222