Life, 133, 142, 144, 145, 154, 165, 176, 177, 181, 182, 186, 187, 188, 203; organic, definition of, 176, 177; active cause of extramundane, 181, 182; alleges submicroscopical units of, 165; Author of, 186, 187; conscious, 203; initiation of, not a creation, 186, 187 —not a miracle, 187, 188 —not supernatural, 187, 188; integrating and formative principle of, 144; metabolic, sentient and rational, 203; more than a chemical problem, 142; origin of, 133 chemical hypothesis, 145 —not a problem of translation, 182; spontaneous origin of, 154 Life-cycle, 69, 112, 138, 155, 156, 160 Lima, 118 Limit of microscopic vision, 140 Limulus polyphemus, 119 Lingula, 118 Linin, 139 Links, 84, 86, 312, 313, 315, 323, 341, 342; connecting, 315, 323 —between men and apes, 312; connecting, so called are (a) human, (b) simian, (c) mixed remains, 342; generic and ordinal, insufficient, 86; “missing,” 341; specific, minimum, 86; transitional, 84 —none between man and apes, 313 Linkage groups, 17 Lithosphere, 113, 114, 181 Litopterna, 78 Living beings derive their matter from inorganic world, 123 Living matter, 143, 171; its uniqueness, a simple fact, 171; maintains its specific type, 143 Lizards, 292 Loess, 326, 327 Logarithmic spiral, 248 Locomotion, mechanism of, 270 Logic, 198, 220, 245; of scepticism, 198; of thought, escapes our imagery, 220; saltatory, 245 Loss, 352, 353; of artistic taste by Darwin, 352, 353 Lucina, 118 Lumpers, 37 Lumping, 121 Lychnis diurna and vespertina, 84 Lycosa, 247, 263 Lycosids, 247, 263-265 Lymphatic glands, stimulated by digestive process, 301 Lymphatic system, adjuncts of, 300 Lymphatic vessels, 300 Lymph nodules, 300 Lymphocytes, 300, 301 Lymphoid cells, follicle, 299 Macrogamete, 157, 158 Macrosomes, 139 Madeira, 306 Magalenians, 332 Maggots, 134 Magnesium, 146, 147, 148 Mammal, 46, 59, 60, 72, 73, 100, 115, 116, 275, 280, 282, 283, 296, 304, 324, 342; age of, 342; early, 324; evolutionary “crescendo” of, 116 Mammalian stock, 82 Mammoth, 91, 115, 326 Man, 192, 193, 212, 236, 271, 290, 340, 341, 343; bestial, 340; brutalization of, 236; destitute of instincts, 343; face of, 27; indications of his physical presence always accomplished by signs of intelligence, 340; left defenceless by nature, 343; modern, 341; more than a decaying organism, 212; never found apart from evidence of his intelligence, 343; physically helpless, 343; skull of, 271; unique in his soul, not in his body, 192, 193 Mantids, 247 Marattia, 118