Intracellular digestion, Metchnikoff's studies of, 57, 105, 107, 110, 116, 170, 277, 278 Jaurès, assassination of, 240 Jelly-fish, Metchnikoff's monograph on embryology of, 126 Jenner and method of antivariolic vaccination, 168 _Journal de Moscou_, Elie Metchnikoff's first publication in, 33 Jupille, M., 155 Kalmuk steppes, Metchnikoff's journey to, 82-3; description of, 215-16; Metchnikoff's anthropological work among natives of, 84-5; liability of natives to tuberculosis, 210-11; Pasteur Institute expedition to, 212; description of, 215-17 Keferstein, Prof., 54 Kent, Saville, discoveries of _Protospongia_, 110 Kharkoff, 1, 16, 20; Lycée, progress in, 28; University, ancient methods in, 31-2, 37, 40 Kherson, peasants' grievances and vexatious conduct in, 113, 114 Kirghiz steppes, endemic plague in, 211; Russian plague mission to, 211, 215, 218; description of, 214 Kleinenberg, Prof., encouragement of Metchnikoff, 118, 119 Kleps, 169 _n._ Koch, Prof., 265; attitude to Metchnikoff's theory, 133, 149 Kölliker, Prof., 37 Kovalevsky, Alexander, friendship with Metchnikoff, 49, 58; work of, 51, 52, 61, 62, 72, 73, 108; divides Baer Prize with Metchnikoff, 58 Kriloff, 26 Kühne, 41 Latapie, M., 155 _Law of Life, The_, 223 _Leçons sur la pathologie comparée de l'inflammation_, 152-3 Leube, Dr., 231 Leuckart, Prof., 43-5, 46 Lilienfiorse, 199 Lister, Dr., 148 Loeffler, 265 London Congress, 149-50 Lubarsch, attacks on Metchnikoff's theory, 232 Lucernaria, 73 _Macaques_ or Barbary apes, 124; Metchnikoff's typhoid experiments with, 207-8 Macrophages, 163-4, 166, 178, 184 Madeira, 75 Maeterlinck, Maurice, 228-9 Maisonneuve, M., 191 Malaga, gardens of, 124 Manoukhine, Dr., 231 Martin, Dr., 256, 273 Medusæ, 72, 73, 116 Mertens, 76, 79 _Messenger of Europe_, Metchnikoff's contributions to, 208-9, 239 _n._ Messina, Metchnikoff's work at, 61 Messina, the Metchnikoff home at, 115 Messina, earthquake at, 1908, 115, 116 Metazoa, 277 Metchnikoff, Dmitri Ivanovitch, devotion to his brother's family, 5, 17, 21, 28; appearance and character, 5-6; other references, 12, 14