Lamarck, the Founder of Evolution: His Life and Work

by A. S. Packard

• Science and Religion, [372].
• Sciurus volans, [338].
• Scott, W. B., [403].
• Sea, former existence of, [109], [110], [148].
• Seal, [338], [344].
• Segments, origin of, [421].
• Segregation, in man, [320], [369].
• Selection, mechanical, [410].
• Semper, C., [406].
• Series, animal, branching, [235], [264], [282].
• Serpents, origin of, [290], [309];
  • eyes of, [314].
• Sexual selection, [219], [224].
• Shell, bivalve, origin of, [418];
  • crustacean, [418].
• Shells, deep-water, [112];
  • fossil, [40], [120], [125], [131];
  • Lamarckian genera, [183].
• Simia satyrus, [367]; troglodytes, [364].
• Sloth, [320].
• Snakes, atrophy of legs of, [290], [309];
  • eyes of, [314];
  • origin of, [290], [309];
  • tongue of, [313].
• Sole, [314].
• Species, Buffon’s views on, [201], [221];
  • definition of, [252], [255], [262], [267], [275];
  • extinct, [126];
  • Geoffroy St. Hilaire, views on, [214];
  • Lamarck’s views on, [183];
  • modification of, [131];
  • origin of, [131], [283];
  • stability of, [271], [277], [401];
  • variation in, [278].
• Speech, [370].
• Spencer, Herbert, [371], [382], [384], [415].
• Spermist, [218].
• Sphalax, [307].
• Spines, [251], [393], [414].
• Sponges, [194].
• Squirrel, flying, [338], [339].
• Stimulus, external, [348], [354], [393].
• Struggle for existence, [207], [237], [287].
• Surroundings, [214], [421];
  • local, [410].
• Symmetry, radial, [291].
• Swan, [313].

• Tail, of kangaroo, [318].
• Teeth, [307];
  • atrophy of, [307];
  • in embryo birds, [307];
  • in whales, [307].
• Temperature, [410].
• Tentacles of snail, [348], [354].
• Tertiary shells, [110], [125], [133].
• Thought, definition of, [172].
• Time, geological, [119], [130], [222], [236].
• Toes, modifications of, [234], [311], [315], [317], [321], [338], [344].
• Tree, genealogical, first, [130], [181], [192], [193], [349].
• Trout, [403].
• Tubercles, origin of, [394].
• Tunicata, position of, [195].
• Turbot, [314].
• Turtle, sea, [312].

• Uniformitarianism, [130].
• Use, [248], [256], [257], [302], [303], [311], [318], [384], [412].
• Use-inheritance, [219], [224], [246], [276], [303], [319], [346].
• Use originates organs, [276], [311], [346].

• Variability, [407].
• Variation, climatic, [204], [218], [401];
  • causes of, [218], [266].
• Varieties, [401].
• Varigny, H. de, [408].
• Vestigial organs, [307], [308].
• Vital force, [167].
• Vitalism, [168].
• Volucella, [338].

• Wagner, M., [404].
• Wallace, A. R., on origin of giraffe’s neck, [351].
• Wants, [245], [270], [274], [281], [295], [302], [324], [334], [346], [350], [351], [352].
• Ward, L. F., [422].
• Water, diversified condition of, [290].
• Werner, [97].
• Whale, [307], [343], [409].
• Will, [319], [330], [337].
• Willing, [236], [351], [412].
• Weismann, A., [399].
• Wings, atrophy of, in insects, [309].
• Woodpecker, [313].