Jenkin, F., on swamping effects of Jenkinson, J. W., 268 Jenner, discovery of vaccination, 85 Jordan, D. S., 390; isolation and the Juke family, 414, 415, 418, 424 Kallikak family, 415-418, 424 Keeble, F., symbiosis of Convoluta, 238, Kellicott, W. E., 166 Kellogg, V. L., 390, 409 Kelvin, Lord, on origin of life, 78 Kidneys, 118, 125, 131, 132 Kingsley, J. S., 147 Klebs, E., 88 Lister, J., antiseptic surgery, 81, 82 Liver, of crayfish, 118, 119; of ver- Liver fluke, 243-245 Lizards, regeneration in, 255, 258; circu- Löffler, F., culture of diphtheria bacil- Lombok, fauna of, 383, 384 Lombroso, C., on criminal man, 417 Lull, R. S., 369, 391 Lungs, 126, 128-130; development of, Mammary glands, 9, 190, 208 Marshall, A. M., 159-164, 166 Marshall, C. E., 79 Marshall, F. H. A., 209 Marsupials, 190, 378, 379, 382, 389, 390 Mastodon, 369, 370 Maternal impressions, 313, 314 Mather, C., on pestilences, 92, 93 Maturation, 151–155, 170 Medullary folds, 160, 161, 259 Medusæ, 114, 188, 189, 210, 211, 259 Mendel, G. J., 270-273, 299 Mendel's law, 273-301, 313, 317 Merriam, C. H., on connecting links, Mosquitoes, 69, 70, 192, 204 Mulattoes, heredity of skin color, 296 Muscle, 48, 49, 132, 133 Mutations, 280, 283, 402-405 Mutation theory, 403-405 Mycorhiza, 241 Myxedema, cause and cure of, 143, 144 Nägeli, K., on orthogenesis, 409 Natural selection, 327, 328, 392-398, Neanderthal man, 372, 373, 411 Needham, T., on spontaneous genera- Nematocysts, 112, 113 Neotoma fuscipes, subspecies of, 400, 401 Nernst, W., on permeability of mem- Nerves, 49-52, 136-140, 258 Nerve cells, 49-51, 113, 114, 136-138, Nervous system, 51, 113, 136–140, 146 Nitrates, 74, 103, 104 Nitrogen-fixing bacteria, 74, 104, 241 Nucleus, 29-41; röle in heredity, 277, Nuttall, G. H. F., on blood tests of Packard, A. S., 323 Pagurus, commensalism with anemones, Painter, T. S., chromosomes in man, 286 Paleontology, evidences for evolution Paleozoic period, 355-359 Pancreas, functions of, 119, 121, 144- Pandorina, life cycle of, 68, 174-177 Paramœcium, structure of, 63, 64; Parental care, evolution of, 202–209 Parrots, social life of, 228, 229 Payne, F., effects of disuse of eyes in Pearl, R., 317, 323 Peas, chromosomes of, 41; heredity in, Pébrine, 68 Peckham, G. W., 198, 204, 218, 235 Peptones, 121 Peritoneum, 115 Permian period, 359 Petals, 181-185 Sacculina, degeneracy in, 249, 250 Saliva, 120, 121, 185, 186 Salivary glands, 120 Sandwich Islands, fauna of, 388, 389, Saprophytes, 73, 240 Schelling, F. W. J., definition of life, 10 Schultze, M., definition of a cell, 29 Scott, W. D., 391 Scurvy, cause of, 20 Sea lions, breeding habits of, 196 Sedgwick, W. T., 147 Self-fertilization, effects of, 186-188 Semilunar fold, 339, 340 Seward, A. C., 410 Sex, evolution of, 168-202; meaning Sex-linked inheritance, 288-290 Sharks, 130 Sharp, D., 235 Sharp, L. W., 42 Slavery in ants, 223, 224 Sleeping sickness, cause of, 67 Smeathman, H., on termites, 227, 233 Song sparrow, subspecies of, 400 Spencer, H., 14, 391, 393, 410; defini- tion of life, 10; on regeneration, 265; Sperm cells, 30, 149, 152, 155, 156, 188, Spermatocytes, 152 Spermatozoa, 30, 149, 152, 155, 156, Sphærella, life history, 65-67 Sphenodon, 341, 383 Spiders, 189, 198, 199, 203, 205, 385 Spireme, 34 Spirogyra, 174 Sponges, 123, 127, 133, 261 Spontaneous generation, 75-79 Sporangia, 178 Spores, 60, 66, 68-71, 73, 177-180, 182, Sporophyte, 178-181, 183, 184 Sporozoa, 68-70, 168, 243, 250 Sprengel, C., on cross-fertilization, 185 Starch, 19, 95, 99-101, 120, 121 Starling, E. H., 146 Steapsin, 121 Tachinidæ, parasitic habits of, 251 Tapirs, distribution of, 390 Tashiro, S., 52 Tasmanian tiger or wolf, 379 Teeth, 120; rudiments of, 352 Termites, habits of, 206, 225-228, 233 Tetramorium, habits of, 224 Texas fever, transmission of by ticks, Thalessa, parasitic habits of, 251, 252 Thomson, J. A., 14, 284, 323; on unity of colonial animals, 212 Thyroid gland, 142-144 Thyroxin, 143 Ticks, relation to Texas fever, 68, 250; Tissue culture, 46, 47 Tissues, 43-54 Toads, 190, 193, 195, 386 Torrey, H. B., iii Torrey pine, distribution of, 389 |