Absolute,5Acclimatisation,191Acquired characters,217,276f.Adaptation (definition),166,171,185to changes from without,172ff.functional,114,176ff.and Lamarckism,272,280mechanical,177f.morphological,168ff.physiological,184ff.primary and secondary,188f.Adaptedness,186f.Adiantum,279Adventitious,55,74,111,221Albumen,200Allelomorphs,231Amphibious plants,172ff.Annelids,65,70,221Answering reaction,181Anti-bodies,206f.Antitoxins,207f.A priori,6Aristotle,144Ascaris,93Aspergillus,195Assimilation,17Atrophy,178Autonomy of life,143,224f.,324Babák,177Baer, C. E. v.,48f. 282Bateson,229ff.,238Bayliss,204,212Begonia,221Bergson,305Berkeley,6Berthold,91Biogenetisches Grundgesetz,248Biology,8ff.,15f.Blaringhem,238,276Blastoderm,39Blastomeres,36,59,61f.,79Blastula,37,61,79Blumenbach,26Boirivant,174Bonnet,26Boveri,29,60,95,235f.Buckle,308,310Bunge, v.,248Bütschli,91Calcium,97Calkins,33Cambium,120,183,220Catalysis,164,203Categories,6f.Cause,99ff.Cell,27f.-division,28ff.,53,94-lineage,58,70-theory,27f.Chemical theory (of morphogenesis),134ff.Chemistry, systematics of,244.Child, C. M.,180Chromatic regulations,197Chromatin,28f.Chromosomes,30,237Chun,66Classification,246f.Clavellina,129,154,162f.Cleavage,35ff.,53,58,60,63,71,92Colloids,187Compensatory process,112Complex potencies,112,120Conic sections,243Conjugation,33Conklin,86Contingency,218,284ff. 304Continuity of germ-plasm,215,227Cope,273Correlation (of masses),93(of parts),247Correns,228Crampton,70f.Crayfish,105Ctenophores,66Cumulation,301ff.,308ff.,314,317Cuvier,247Darwin, Ch.,260ff.,271,283Darwinism,260ff.,271,283ff.,293ff.,304Davenport,191,206Delage,32Descent, theory of,250ff.Description,12,50Detto,172Directive stimuli,102ff.Doncaster,232Dreyer,92Echinus,27,33ff.,60ff.,68,81,85,87,98,104,108,111,154,232,235Ectoderm,41,81,122Egg,31,33f.Ehrlich,207f.Eimer,292Elementary organs,46ff.processes,46ff.Elements of nature,9Embryo,44frog’s,59,65,67half,59,61,66ff.whole,61,67f.Endoderm,41,81Entelechy,143f.,224f.,295Entwickelungsmechanik,57,70,78,241Enumeration,297,300Enzymes,164,203Epigenesis,26,45,54,72,144,301Equifinality (of restitutions),159f.Equipotential,83Eschenhagen,195Evolutio,26,45f.,54,59,61,64,72,144,205,301Evolution,8,21,46,250,301,305,311ff.,317Experience,7f.,12,212Experiment,51,56f.“Explaining,” 51,309Explicit potency,84Fasting,199f.Ferments,164,203f.Fertilisation,32ff.Fischer,278Foges,107Form, closed or open,49Form, organic, specific,16ff.,25,92,293ff.Forma accidentalis,293essentialis,294f.Formative stimuli,102ff.,113,118,133Francé,158,239Frédéricq,196Frog, embryo of,59,65,67Fromm,205Function (mathematical),80Fungi, metabolism of,201Gaidukow,197f.Galls,101Galton,228,238Gamble and Keeble,198Gastrula,41,61,81Gautier,239Geographical distribution,251f.Geometry, solid,243Germ-layers,41,44,61-lineage,215-plasm,52,215Gifford, Lord,1ff.,322Godlewski,105,155,235Goebel,116Goethe,247Goette,48,56,214Goltz,181Growth,30,93f.Gruber,236Haeckel,37,41Half-embryo,59,61,66ff.Haller, A. v.,26Harmony,107ff.,117,295Hausmann,206Heat production,193Hegel,307,311ff.Herbst,96ff.,102,104ff.,172,177,200,232,236Heredity,21,52Hering,216f.Hertwig, O.,60,65Hertwig, R.,32f.,60,107His,56,93History,2,14,21,250,257,297ff.of mankind,306ff.Holmes,180Hume,6Hypertrophy,112,114Hypertypy,112Idealism,5,7Immunity,204ff.Implicit potency,84Improvement (of morphogenesis),212Indifferent cells,182Inflammation,206Inheritance,35,214ff.of acquired characters,217,275ff.,290Irritability,190ff.Jacoby,207Jaeger,214Jennings,218Kammerer,176,280Kant,6f.Kirchhoff,50Klebs,96,170,180,238,276Kölliker,292Korshinsky,239Krašan,221,251Lamarck,271f.,291Lamarckism,271f.,284ff.,293ff.,304Lamprecht,308,310Larva,41f.,44Law of nature,13,16Leibniz,6Lens (of eye),105,221Liebmann,256Life,9f.,16,21Lillie, R. S.,236Limits of regulability,212Lithium,99“Living,” 9,16Localisation,101,103,118ff.Locke,6Loeb, J.,32,102,164,179,196,236Loeb, L.,208Lyon,87MacDougal,238f.,276Machine (definition),139Machine-theory of life,138ff.,187,210Maillard,196Manifoldness,25f.,30,45intensive,144Materialism,283Materials, transport of,194Matter, theory of,8Maturation,31,87Mayenburg, v.,195Means, of morphogenesis,89ff.,101,113,118,228,234Memory,216f.Mendel,229f.Merrifield,198Mesenchyme,39,41,104,111,151f.Metabolic regulations,198f.Metabolism,16,184of fungi,201Metschnikoff,206Micromeres,36,60Miehe,116Mill, J. S.,57Mimosa,191Minkiewicz,198Modification,277Molluscs,70f.,86Morgan, T. H.,32,66f.,95,107,114f.,162,230Morphaesthesia,157Morphogenesis,20,52,76,112,118f.Morphology,12Movements, organic,17Mutations,237f.,276,291Nägeli,266,292Nathansohn,196Natural selection,261f.,290Nature,5ff.Němec,116Newport,57Newt (regeneration of),155,221f.Noll,146,157f.Nomothetic,14f.Normal,78Nuclear division,28f.,62,64f.,72,235Nucleus,28,35rôle of nucleus in inheritance,233f.Organ-forming substances,117Oscillariae,197Osmotic pressure,93,187,194f.Overton,196f.Oxidation, rôle of,198f.Palaeontology,252Parallelism (psycho-physical),146Parthenogenesis,32Pauly,146,217,273f.Pawlow,204,210,212Pearl, R.,212Pfeffer,195,201Phagocytosis,206Phenomenon,5f.Philosophy, natural,4of nature,4,7,9of the organism,9,15Phylogeny,255,291,297,304ff.Physiology,12of development (morphogenesis),20Planaria,130,155,162f.,200Plants,48f.Plato,2Pluteus,42Poisons,205ff.Pole,36Polarity,106Potencies, complex,112,120explicit,84implicit,84primary,84,111prospective,77ff.,83,89,118,125,241secondary,84,110Poulton,198Precipitin,207f.Pressure experiments,63,141Primary potency,84,111purposefulness,146,287regulation,85,174,188Progress,305Pronuclei,55Prospective potency,77ff.,83,89,118,125,241value,77f.,80,122Protista (Protozoa),27,130,236Protoplasm,28,30morphogenetic rôle of,67Przibram,112,248Rádl,247Rauber,235Reaction, answering,181Reciprocity of harmony,156f.Re-differentiation,75,111,163Regeneration,55,74,105,111,221super-,115f.Regulation,68,73,85,111,165defined,166metabolic,198f.secondary,85,165,188Reinke,146Restitution,21,74,110,112ff.defined,166and Darwinism,267and Lamarckism,286of second order,158Retina,191Retro-differentiation,163f.Rhumbler,93Ribbert,114Rickert,315ff.Roux,26,48,55ff.,66f.,76,89,92f.,108,161,176f.,241Rubner,193Sachs,117Sadebeck,279Salamandra,175,281Schneider,146Schultz, E.,200Schultze, O.,67Schwendener,177Science,14,297natural,1ff.rational,12Sea-urchin,seeEchinusSecondary potency,84,110regulation,85,165,188Secretion, internal,116,200Segmentation,35Selective qualities (of tissues),186Self-differentiation,108Semon,216f.Sex,107Single, the,315ff.Skeleton,40ff.,44,47,92Spemann,105Spermatozoon (spermia),32ff.Splitting (of hybrids),229f.Stahl,197Standfuss,278Starfish,44,81,122Starling, E.,116,204,212Stentor,131Stimuli, directive,102ff.formative,102ff.,113,118,133of restitutions,113f.Structure of protoplasm,66,69,72f. 85,88Substance, living,17Sumner,196Super-regeneration,115f.Surface-tension,91Sutton,230Symmetry,39,68,70,72,89,98System, combined types of,153ff.complex,219f.complex-harmonious,155equipotential,120harmonious-equipotential,121ff.,151f.mixed-equipotential,154morphogenetic,119f.,163,241Systematics,14ff.,21,243f.,253,264,293,296Taine,308,310Theology, natural,1ff.Thomson, J. A.,16Thymus,204Thyroid,204Tissue,38Toxins,207f.Transformism,251Truth,7Tschermak,228Tubularia,126ff.,133,158ff.Type,48,247f.,282,291“Understanding” (historically),302Universality, postulate of,148f.Universe,5Univocality, principle of,161“Values,” 317 ff.prospective,77f.,80,122Variation,218,237f.,276Variation, fluctuating, contingent,264f.,273f.,282,290Vernon,232,238Vitalism,143,145f.,210f.,224f.,234,240f.,272,277Vöchting,174,179f.,182,221Volition, acts of,274Vries, de,228,238f.Wallace,292Ward, J.,8,143Weber, law of,191Weinland,202Weismann,33,52ff.,58f.,72,74f.,103,111,138,214f.,237,277f.Weldon,238Whole, the,28,80,117-embryo,61,67f.Wigand,255,266,292Wilson, E. B.,27,65,70f.,86f.,107Windelband,13f.Winkler,116,221Winterstein,199Wolff, C. F.,26Wolff, G.,105,146,255,266,287f.Wolff, J.,177Yung,177Zeleny,112,115,212Zur Strassen,93