Abraxas grossulariata.
Acquired characters, transmission of.
Acraea johnstoni.
Adaptation.
Adloff.
Adlumia cirrhosa.
Agassiz, A.
Agassiz, L.
Alexander.
Allen, C.A.
Alternation of generations.
Ameghino.
Ammon, O., Works of.
Ammonites, Descent of.
Amphidesmus analis.
Anaea divina.
Andrews, C.W.
Angiosperms, evolution of.
Anglicus, Bartholomaeus.
Ankyroderma.
Anomma.
Antedon rosacea.
Antennularia antennina.
Anthropops.
Ants, modifications of.
Arber, E.A.N.,--and J. Parkin, on the origin of Angiosperms.
Archaeopteryx.
Arctic regions, velocity of development of life in.
Ardigo.
Argelander.
Argyll, Huxley and the Duke of.
Aristotle.
Arrhenius.
Asterias, Loeb on hybridisation of.
Autogamy.
Avena fatua.
Avenarius.
Bacon, on mutability of species.
Baehr, von, on Cytology.
Baer, law of von.
Bain.
Baldwin, J.M.
Balfour, A.J.
Ball, J.
Barber, Mrs M.E., on Papilio nireus.
Barclay, W.
Barratt.
Bary, de.
Bates, H.W., on Mimicry.--Letters from Darwin to.--elsewhere.
Bateson, A.
BATESON, W., on "Heredity and Variation in Modern lights".--on
discontinuous evolution.--on hybridisation.
Bateson, W. and R.P. Gregory.
Bathmism.
Beche, de la.
Beck, P.
Becquerel, H.
Beebe, C.W., on the plumage of birds.--on sexual selection.
Beguyer de Chancourtois.
Bell's (Sir Charles) "Anatomy of Expression".
Belopolsky.
Belt, T., on Mimicry.
Beneden, E. van.
Benson, M.
Bentham, G., on Darwin's species-theory.--on geographical distribution.
Bentham, Jeremy.
Bergson, H.
Berkeley.
Berthelot.
Betham, Sir W.
Bickford, E., experiments on degeneration by.
Bignonia capreolata.
Biophores.
Birds, geological history of.
Blanford, W.T.
Blaringhem, on wounding.
Blumenbach.
Bodin.
Boltwood, B.B.
Bonald, on war.
Bonnet.
Bonney, T.G.
Bonnier, G.
Bopp, F., on language.
BOUGLE C., on "Darwinism and Sociology".
Bourdeau.
Bourget, P.
Boutroux.
Boveri, T.
Brachiopods, history of.
Brassica, hybrids of.
Brassica Napus.
Broca.
Brock, on Kant.
Brown, Robert.
Brugmann and Osthoff.
Brugmann.
Brunetiere.
Bruno, on Evolution.
Buch, von.
Bucher, K.
Buckland.
Buckle.
Buffon.
Burchell, W.J.
Burck, W.
Burdon-Sanderson, J., letter from.
BURY, J.B., on "Darwinism and History".
Butler, A.G.
Butler, Samuel.
Butschli, O.
Butterflies, mimicry in.--sexual characters in.
Cabanis.
Campbell.
Camels, geological history of.
Camerarius, R.J.
Candolle, A. de.
Cannon and Davenport, experiments on Daphniae by.
Capsella bursapastoris.
Carneri.
Castnia linus.
Catasetum barbatum.
Catasetum tridentatum.
Caterpillars, variation in.
Celosia, variability of.
Cereals, variability in.
Cesnola, experiments on Mantis by.
Chaerocampa, colouring of.
Chambers, R., "The Vestiges of Creation" by.
Chromosomes and Chromomeres.
Chun.
Cieslar, experiments by.
Circumnutation, Darwin on.
Claus.
Cleistogamy.
Clerke, Miss A.
Clodd, E.
Cluer.
Clytus arietis.
Coadaptation.
Codrington.
Cohen and Peter.
Collingwood.
Colobopsis truncata.
Colour, E.B. Poulton on The Value in the Struggle for life
of.--influence and temperature on changes in.--in relation to Sexual
Selection.
Colours, incidental.--warning.
Comte, A.
Condorcet.
Cope.
Coral reefs, Darwin's work on.
Correlation of organisms, Darwin's idea of the.
Correlation of parts.
Corydalis claviculata.
Cournot.
Couteur, Col. Le.
Crooks, Sir William.
Cruger, on Orchids.
Cunningham and Marchand, on the brain.
Curie, M. and Mme.
Cuvier.
Cycadeoidea dacotensis.
Cycads, geological history of.
Cystidea, an ancient group.
Cytology and heredity.
Cytolysis and fertilisation.
Czapek.
Dalton's atomic theory.
Dana, J.D., on marine faunas.
Danaida chrysippus.
Danaida genutia.
Danaida plexippus.
Dante.
Dantec, Le,
Darwin, Charles, as an Anthropologist.--on ants.--and the "Beagle"
Voyage.--on the Biology of Flowers.--as a Botanist.--his influence on
Botany.--and S. Butler.--at Cambridge.--on Cirripedia.--on climbing
plants.--on colour.--on coral reefs.--on the Descent of Man.--his work
on Drosera.--at Edinburgh.--his influence on Animal Embryology.--on
Geographical Distribution.--his work on Earthworms.--evolutionist
authors referred to in the "Origin" by.--and E. Forbes.--on the
geological record.--and Geology.--his early love for geology.--his
connection with the Geological Society of London.--and Haeckel.--and
Henslow.--and History.--and Hooker.--and Huxley.--on ice-action.--on
igneous rocks.--on Lamarck.--on Language.--his Scientific Library.--and
the Linnean Society.--and Lyell.--and Malthus.--on Patrick Matthew.--on
mental evolution.--on Mimicry.--a "Monistic Philosopher."--on the
movements of plants.--on Natural Selection.--a "Naturalist for
Naturalists."--on Paley.
Darwin, Charles, his Pangenesis hypothesis.--on the permanence
of continents.--his personality.--his influence on
Philosophy.--predecessors of.--his views on religion, etc.--his
influence on religious thought.--his influence on the study of
religions.--his methods of research.--and Sedgwick.--on Sexual
Selection.--the first germ of his species theory.--on H.
Spencer.--causes of his success.--on Variation.--on the "Vestiges
of Creation".--on volcanic islands.--and Wallace.--letter to Wallace
from.--letter to E.B. Wilson from.
Darwin, E., on the colour of animals.--Charles Darwin's reference
to.--on evolution.
DARWIN, F., on "Darwin's work on the Movements of Plants".--on Darwin
as a botanist.--observations on Earthworms by.--on Lamarckism.--on
Memory.--on Prichard's "Anticipations".--various.
DARWIN, SIR G., on "The Genesis of Double Stars".--on the earth's mass.
Darwin, H.
Darwin, W.
Darwinism, Sociology, Evolution and.
Davenport and Cannon, experiments on Daphniae by.
David, T.E., his work on Funafuti.
Death, cause of natural.
Debey, on Cretaceous plants.
Debierne.
Degeneration.
Delage, experiments on parthenogenesis by.
Delbruck.
Democritus.
Deniker.
Descartes.
Descent, history of doctrine of.
"Descent of Man", G. Schwalbe on "The".--Darwin on Sexual Selection in
"The".--rejection in Germany of "The".
Desmatippus.
Desmoulins, A., on Geographical Distribution.
Detto.
Development, effect of environment on.
Dianthus caryophyllus.
Diderot.
Digitalis purpurea.
Dimorphism, seasonal.
Dismorphia astynome.
Dismorphia orise.
Distribution, H. Gadow on Geographical.--Sir W. Thiselton-Dyer on.
Dittrick, O.
Dixey, F.A., on the scent of Butterflies.
Dolichonyx oryzivorus.
Dorfmeister.
Down, Darwin at.
Draba verna.
Dragomirov.
Driesch, experiments by.--elsewhere.
Drosera, Darwin's work on.
Dryopithecus.
Dubois, E., on Pithecanthropus.
Duhring.
Duhamel.
Duncan, J.S.
Duncan, P.B.
Duns Scotus.
Duret, C.
Durkheim, on division of labour.
Dutrochet.
Echinoderms, ancestry of.
Ecology.
Eimer.
Ekstam.
Elephants, geological history of.
Elymnias phegea.
E. undularis.
Embleton, A.L.
Embryology, A. Sedgwick on the influence of Darwin on.
Embryology, as a clue to Phylogeny.--the Origin of Species and.
Empedocles.
Engles.
Environment, action of.--Klebs on the influence on plants of.--Loeb on
experimental study in relation to.
Eohippus.
Epicurus, a poet of Evolution.
Eristalis.
Ernst.
Ernst, A., on the Flora of Krakatau.
Eschscholzia californica.
Espinas.
Eudendrium racemosum.
Evolution, in relation to Astronomy.--and creation.--conception
of.--discontinuous.--experimental.--factors of.--fossil plants
as evidence of.--and language.--of matter, W.C.D. Whetham
on.--mental.--Lloyd Morgan on mental factors in.--Darwinism and
Social.--Saltatory.--Herbert Spencer on.--Uniformitarian.--Philosophers
and modern methods of studying.
Expression of the Emotions.
Fabricius, J.C., on geographical distribution.
Farmer, J.B.
Farrer, Lord.
Fearnsides, W.G.
Felton, S., on protective resemblance.
Ferri.
Ferrier, his work on the brain.
Fertilisation, experimental work on animal-.
Fertilisation of Flowers.
Fichte.
Field, Admiral A.M.
Fischer, experiments on Butterflies by.
Fitting.
Flemming, W.
Flourens.
Flowering plants, ancestry of.
Flowers, K. Goebel on the Biology of.
Flowers and Insects.
Flowers, relation of external influences to the production of.
Fol, H.
Forbes, E.--and C. Darwin.
Ford, S.O. and A.C. Seward, on the Araucarieae.
Fossil Animals, W.B. Scott on their bearing on evolution.
Fossil Plants, D.H. Scott on their bearing on evolution.
Fouillee.
Fraipont, on skulls from Spy.
FRAZER, J.G., on "Some Primitive Theories of the Origin of
Man".--various.
Fruwirth.
Fumaria officinalis.
Funafuti, coral atoll of.
Fundulus.
F. heteroclitus.
GADOW, H., on "Geographical Distribution of Animals".--elsewhere.
Gartner, K.F.
Gallus bankiva.
Galton, F.
Gamble, F.W. and F.W. Keeble.
Gasca, La.
Geddes, P.
Geddes, P. and A.W. Thomson.
Gegenbauer.
Geikie, Sir A.
Geitonogamy.
Genetics.
Geographical Distribution of Animals.--of Plants.--influence of "The
Origin of Species" on.--Wallace's contribution to.
Geography of former periods, reconstruction of.
Geology, Darwin and.
Geranium spinosum.
Germ-plasm, continuity of.--Weismann on.
Germinal Selection.
Gibbon.
Gilbert.
GILES, P., on "Evolution and the Science of Language".
Giuffrida-Ruggeri.
Giotto.
Gizycki.
Glossopteris Flora.
Gmelin.
Godlewski, on hybridisation.
GOEBEL, K., on "The Biology of Flowers".--his work on Morphology.
Goethe and Evolution.--on the relation between Man and
Mammals.--elsewhere.
Goldfarb.
Gondwana Land.
Goodricke, J.
Gore, Dr.
Gorjanovic-Kramberger.
Gosse, P.H.
Grabau, A.W., on Fusus.
Grand'Eury, F.C., on fossil plants.
Grapta C. album.
Gravitation, effect on life-phenomena of.
Gray, Asa.
Gregoire, V.
Groom, T.T., on heliotropism.
Groos.
Grunbaum, on the brain.
Guignard, L.
Gulick.
Guppy, on plant-distribution.
Guyau.
Gwynne-Vaughan, D.T., on Osmundaceae.
Gymnadenia conopsea.
Haberlandt, G.
Haddon, A.C.
HAECKEL, E., on "Charles Darwin as an Anthropologist".--on Colour.--and
Darwin.--on the Descent of Man.--contributions to Evolution by.
Haeckel, E., on Lamarck.--on Language.--a leader in the Darwinian
controversy.--on Lyell's influence on Darwin.--various.
Hacker.
Hagedoorn, on hybridisation.
Hales, S.
Hansen.
Harker, A.
HARRISON, J.E., on "The Influence of Darwinism on the Study of
Religions".
Hartmann, von.
Harvey.
Haupt, P., on Language.
Haycraft.
Hays, W.M.
Hegel.
Heliconius narcaea.
Heliotropism in animals.
Henslow, Rev. J.S. and Darwin.
Hensen, Van.
Herbst, his experiments on sea urchins.
Heracleitus.
Herder.
Heredity and Cytology.--Haeckel on.--and Variation.--various.
Hering, E., on Memory.
Herschel, J.
Hertwig, R.
Hertwig, O.
Hertz.
Heteromorphosis.
Heterostylism.
Heuser, E.
Hewitt.
Heyse's theory of language.
Hinde, G.J., his work on Funafuti.
Hipparion.
Hippolyte cranchii.
Hirase.
History, Darwin and.
Hobbes, T.
Hobhouse.
HOFFDING, H., on "The Influence of the Conception of Evolution on Modern
Philosophy".
Hofmeister, W.
Holmes, S.J., on Arthropods.
Holothurians, calcareous bodies in skin of.
Homo heidelbergensis.
Homo neandertalensis.
Homo pampaeus.
Homo primigenius.
Homunculus.
Hooker, Sir J.D., and Darwin.--on Distribution of Plants.--on
Ferns.--Letter to the Editor from.
Horner, L.
Horse, Geological history of the.
Huber.
Hubert and Mauss.
Hubrecht, A.R.W.
Hugel, F. von.
Humboldt, A. von.
Humboldt, W. von.
Hume.
Hutcheson.
Hutton.
Huxley, T.H., and Darwin.--and the Duke of Argyll.--on Embryology.--on
Geographical Distribution.--on Lamarck.--Letter to J.W. Judd from.--on
Lyell.--on Man.--on "The Origin of Species".--on Selection.--on
Teleology.--on transmission of acquired characters.--various.
Hybridisation.
Hybrids, Sterility of.
Hyracodon.
Iberis umbellata.
Ikeno.
Imperfection of the Geological Record.
Ingenhousz, on plant physiology.
Inheritance of acquired characters.
Insects and Flowers.
Instinct.
Instincts, experimental control of animal.
Ipomaea purpurea.
Irish Elk, an example of co-adaptation.
Jacobian figures.
Jacoby, "Studies in Selection" by.
James, W.
Janczewski.
Jeans, J.H.
Jennings, H.S., on Paramoecium.
Jentsch.
Jespersen, Prof., Theory of.
Johannsen, on Species.
Jones, Sir William, on Language.
Jordan.
JUDD, J.W., on "Darwin and Geology".
Kallima, protective colouring of.
Kallima inachis.
Kammerer's experiments on Salamanders.
Kant, I.
Keane, on the Primates.
Keeble, F.W. and F.W. Gamble, on Colour-change.
Keith, on Anthropoid Apes.
Kellogg, V., on heliotropism.
Kepler.
Kerguelen Island.
Kidd.
Kidston, R., on fossil plants.
Killmann, on origin of human races.
King, Sir George.
Klaatsch, on Ancestry of Man.
Klaatsch and Hauser.
KLEBS, G., on "The influence of Environment on the forms of plants".
Kniep.
Knies.
Knight, A., experiments on plants by.--on Geotropism.
Knight-Darwin law.
Knuth.
Kolliker, his views on Evolution.
Kolreuter, J.G.
Kohl.
Korschinsky.
Kowalevsky, on fossil horses.
Krakatau, Ernst on the Flora of.
Krause, E.
Kreft, Dr.
Kropotkin.
Kupelwieser, on hybridisation.
Lagopus hyperboreus.
Lamarck, his division of the Animal Kingdom.--Darwin's opinion of.--on
Evolution.--on Man.--various.
Lamarckian principle.
Lamb, C.
Lamettrie.
Lamprecht.
Lanessan, J.L. de.
Lang.
Lange.
Language, Darwin on.--Evolution and the Science of.--various.
Lankester, Sir E. Ray, on degeneration.--on educability.--on the
germ-plasm theory.--elsewhere.
Lapouge, Vacher de.
Larmor, J.
Lartet, M.E.
Lassalle.
Lathyrus odoratus.
Lavelaye, de.
Lawrence, W.
Lehmann.
Lehmann-Nitsche.
Leibnitz.
Lepidium Draba.
Lepidoptera, variation in.
Leskien, A., on language.
Lessing.
Leucippus.
Levi, E.
Lewes, G.H.
Lewin, Capt.
Liapounoff.
Liddon, H.P.
Light, effect on organisms of.
Limenitis archippus.--arthemis.
Linnaeus.
Livingstone, on plant-forms.
Llamas, geological history of.
Lockyer, Sir N.
Locy, W.A.
LOEB, J., on "The Experimental Study of the influence of environment on
Animals.
Loew, E.
Longstaff, G.B., on the Scents of Butterflies.
Lorentz.
Lotsy, J.P.
Love, A.E.W.
Lovejoy.
Lubbock.
Lucas, K.
Lucretius, a poet of Evolution.
Lumholtz, C.
Luteva macrophthalma.
Lycorea halia.
Lyell, Sir Charles, and Darwin.--the influence of.--on geographical
distribution.--on "The Origin of Species".--on the permanence of
Ocean-basins.--publication of the "Principles" by.--the uniformitarian
teaching of.
Lythrum salicaria.
Macacus, ear of.
MacDougal, on wounding.
Mach, E.
Macromytis flexuosa, colour-change in.
Magic and religion.
Mahoudeau.
Maillet, de.
Majewski.
Malthus, his influence on Darwin.--various.
Mammalia, history of.
Man, Descent of.--J.G. Frazer on some primitive theories of the origin
of.--mental and moral qualities of animals and.--pre-Darwinian views on
the Descent of.--religious views of primitive.--Tertiary flints worked
by.
"Man", G. Schwalbe on Darwin's "Descent of".
Manouvrier.
Mantis religiosa, colour experiments on.
Marett, R.R.
Markwick.
Marshall, G.A.K.
Marx.
Massart.
Masters, M.
Matonia pectinata.
Matthew, P., and Natural Selection.
Maupertuis.
Maurandia semperflorens.
Mauss and Herbert.
Mauthner.
Maxwell.
Maxwell, Clerk.
Mayer, R.
Mechanitis lysimnia.
Meehan, T.
Meldola, R., Letters from Darwin to.
Melinaea ethra.
Mendel.
Mendeleeff.
Merrifield.
Merz, J.T.
Mesembryanthemum truncatum.
Mesohippus.
Mesopithecus.
Metschnikoff.
Mill, J.S.
Mimicry.--H.W. Bates on.--F. Muller on.
Mimulus luteus.
Miquel, F.W.A.
Mobius.
Mohl, H. von.
Moltke, on war.
Monachanthus viridis.
Monkeys, fossil.
Montesquieu.
Montgomery, T.H.
Monstrosoties.
Monticelli.
Moore, J.E.S.
MORGAN, C. LLOYD, on "Mental Factors in Evolution".--on Organic
Selection.
Morgan, T.H.
Morse, E.S., on colour.
Morselli.
Mortillet.
Moseley.
Mottier, M.
Muller, Fritz, "Fur Darwin" by.--on Mimicry.
Muller, Fritz.
Muller, J.
Muller, Max, on language.
Murray, A., on geographical distribution.
Murray, G.
Mutability.
Mutation.
Myanthus barbatus.
Myers, G.W., on Eclipses.
Nageli.
Nathorst, A.G.
Nathusius.
Natural Selection, and adaptation.--Darwin's views on.--Darwin and
Wallace on.--and design.--and educability.--Fossil plants in relation
to.--and human development.--and Mimicry.--and Mutability.--various.
Naudin.
Neandertal skulls.
Nemec.
Neoclytus curvatus.
Neodarwinism.
Neumayr, M.
Newton, A.
Newton, I.
Niebuhr.
Nietzsche.
Nilsson, on cereals.
Nitsche.
Noire.
Noll.
Novicow.
Nuclear division.
Nussbaum, M.
Nuttall, G.H.F.
Occam.
Odin.
Oecology, see Ecology.
Oenothera biennis.
Oenothera gigas.
Oenothera Lamarckiana.
Oenothera muricata.
Oenothera nanella.
Oestergren, on Holothurians.
Oken, L.
Oliver, F.W., on Palaeozoic Seeds.
Ononis minutissima.
Ophyrs apifera.
Orchids, Darwin's work on the fertilisation of.
Organic Selection.
"Origin of Species", first draft of the.--geological chapter in the.
Orthogenesis.
Ortmann, A.E.
Osborn, H.F.--"From the Greeks to Darwin" by.
Osthoff and Brugmann.
Ostwald, W.
Ovibos moschatus.
Owen, Sir Richard.
Oxford, Ashmolean Museum at.
Packard, A.S.
Palaeontological Record, D.H. Scott on the.--W.B. Scott on the.
Palaeopithecus.
Paley.
Palitzch, G.
Palm.
Pangenesis.
Panmixia, Weismann's principle of.
Papilio dardanus.
Papilio meriones.
Papilio merope.
Papilio nireus.
Paramoecium, Jennings on.
Parker, G.H., on Butterflies.
Parkin, J. and E.A.N. Arber, on the origin of Angiosperms.
Parthenogenesis, artificial.
Paul, H. and Wundt.
Pearson, K.
Peckham, Dr and Mrs, on the Attidae.
Penck.
Penzig.
Peripatus, distribution of.
Peridineae.
Permanence of continents.
Perrier, E.
Perrhybris pyrrha.
Perthes, B. de.
Peter, on sea urchin's eggs.
Petunia violacea.
Pfeffer, W.
Pfitzner, W.
Pflueger.
Phillips.
Philosophy, influence of the conception of evolution on modern.
Phryniscus nigricans.
Phylogeny, embryology as a clue to.--Palaeontological evidence on.
Physiology of plants, development of.
Piccard, on Geotropism.
Pickering, spectroscopic observations by.
Piranga erythromelas.
Pisum sativum.
Pithecanthropus.
Pitheculites.
Planema epaea.
Plants, Darwin's work on the movements of.--geographical distribution
of.--Palaeontological record of fossil.
Platanthera bifolia.
Plate.
Plato.
Playfair.
Pliopithecus.
Pocock, R.I.
Poincare.
Polarity, Vochting on.
Polymorphic species.--variability in cereals.
Polypodium incanum.
Porthesia chrysorrhoea.
Potonie, R.
Pouchet, G.
POULTON, E.B., on "The Value of Colour in the Struggle for
Life".--experiments on Butterflies by.--on J.C. Prichard.--on
Mimicry.--various.
Pratt.
Pratz, du.
Premutation.
Preuss, K. Th.
Prichard, J.C.
Primula, heterostylism in.
Primula acaulis.
Primula elatior.
Primula officinalis.
Promeces viridis.
Pronuba yuccasella.
Protective resemblance.
Protocetus.
Protohippus.
Psychology.
Pteridophytes, history of.
Pteridospermeae.
Pucheran.
Pusey.
Quatrefages, A. de.
Quetelet, statistical investigations by.
Rabl, C.
Radio-activity.
Radiolarians.
Raimannia odorata.
Ramsay, Sir W. and Soddy.
Ranke.
Rau, A.
Ray, J.
Reade, Mellard.
Recapitulation, the theory of.
Reduction.
Regeneration.
Reid, C.
Reinke.
Religion, Darwin's attitude towards.--Darwin's influence on the study
of.--and Magic.
Religious thought, Darwin's influence on.
Renard, on Darwin's work on volcanic islands.
Reproduction, effect of environment on.
Reptiles, history of.
Reversion.
Rhinoceros, the history of the.
Ridley, H.N.
Riley, C.V.
Ritchie.
Ritual.
Roberts, A.
Robertson, T.B.
Robinet.
Rolfe, R.A.
Rolph.
Romanes, G.J.
Rothert.
Roux.
Rozwadowski, von.
Ruskin.
Rutherford, E.
Rutot.
Sachs, J.
St Hilaire, E.G. de.
Salamandra atra.
Salamandra maculosa.
Saltatory Evolution, (see also Mutations).
Sanders, experiments on Vanessa by.
Saporta, on the Evolution of Angiosperms.
Sargant, Ethel, on the Evolution of Angiosperms.
Savigny.
Scardafella inca.
Scent, in relation to Sexual Selection.
Scharff, R.F.
Schelling.
Schlegel.
Schleicher, A., on language.
Schleiden and Schwann, Cell-theory of.
Schmarda, L.K., on geographical distribution.
Schoetensack, on Homo heidelbergensis.
Schreiner, K.E.
Schubler, on cereals.
Schultze, O., experiments on Frogs.
Schur.
Schutt.
SCHWALBE, G., on "The Descent of Man".
Sclater, P.L., on geographical distribution.
SCOTT, D.H., on "The Palaeontological Record (Plants)".--elsewhere.
SCOTT, W.B., on "The Palaeontological Record (Animals)".
Scrope.
Scyllaea.
Sechehaye, C.A.
SEDGWICK, A., on "The Influence of Darwin on Animal Embryology".
Sedgwick, A., Darwin's Geological Expedition with.
Seeck, O.
Seed-plants, origin of.
Segregation.
Selection, artificial.--germinal.
Selection, natural (see Natural Selection).--organic.--sexual.--social
and natural.--various.
Selenka.
Semnopithecus.
Semon, R.
Semper.
Senebier.
Senecio vulgaris.
Sergi.
Seward, A.C.--and S.O. Ford.--and J. Gowan.
Sex, recent investigations on.
Sharpe, D.
Sherrington, C.S.
Shirreff, P.
Shrewsbury, Darwin's recollections of.
Sibbern.
Sinapis alba.
Smerinthus ocellata.
Smerinthus populi.
Smerinthus tiliae.
Smith, A.
Smith, W.
Snyder.
Sociology, Darwinism and.--History and.
Soddy.
Sollas, W.J.
Sorley, W.R.
Species, Darwin's early work on transmutation of.--geographical
distribution and origin of.--immutability of.--influence on
environment on.--Lamarck on.--multiple origin of.--the nature of
a.--polymorphic.--production by physico-chemical means of.--and
varieties.--de Vries's work on.
Spencer, H., on evolution.--on Lyell's "Principles".--on the nature of
the living cell.--on primitive man.--on the theory of Selection.--on
Sociology.
Spencer, H., on the transmission of acquired characters.--on
Weismann.--various.
Sphingidae, variation in.
Spinoza.
Sports.
Sprengel, C.K.
Stability, principle of.
Stahl.
Standfuss.
Stars, evolution of double.
Stellaria media.
Stephen, L.
Sterility in hybrids.
Sterne, C.
Stockard, his experiments on fish embryos.
STRASBURBER, E., on "The Minute Structure of Cells in relation to
Heredity".
Strongylocentrotus franciscanus.
Strongylocentrotus purpuratus.
Struggle for existence.
Strutt, R.J.
Stuart, A.
Sturdee, F.C.D.
Sutterlin, L.
Sully.
Sutton, A.W.
Sutton, W.S.
Svalof, agricultural station of.
Swainson, W.
Synapta, calcareous bodies in skin of.
S. lappa.
Syrphus.
Tarde, G.
Teleology and adaptation.
Tennant, F.R.
Teratology.
Tetraprothomo.
THISELTON-DYER, SIR WILLIAM, on "Geographical distribution of
Plants".--on Burchell.--on protective resemblance.--elsewhere.
THOMSON, J.A., on "Darwin's Predecessors.--elsewhere.--and P. Geddes.
Thomson, Sir J.J.
Theology, Darwin and.
Tiedemann, F.
Tooke, Horne.
Totemism.
Treschow.
Treviranus.
Trifolium pratense quinquefolium.
Trigonias.
Trilobites, phylogeny of.
Tschermack.
Turgot.
Turner, Sir W.
Twins, artificial production of.
Tylor.
Tyndall, W.
Tyrrell, G.
Uhlenhuth, on blood reactions.
Underhill, E.
Use and disuse.
Vanessa.
Vanessa antiope.
Vanessa levana.
Vanessa polychloros.
Vanessa urticae.
Van 't Hoff.
Varanus Salvator.
Variability, Darwin's attention directed to.--W. Bateson on.--and
cultivation.--causes of.--polymorphic.
Variation, continuous and discontinuous.--Darwin's views as
an evolutionist, and as a systematist, on.--definite and
indefinite.--environment and.--and heredity.--as seen in the
life-history of an organism.--minute.--mutability and.--in relation to
species.--H. de Vries on.
Varigny, H. de.
Varro, on language.
Veronica chamaedrys.
Verworn.
"Vestiges of Creation", Darwin on "The".
Vierkandt.
Vilmorin, L. de.
Virchow, his opposition to Darwin.
Virchow, on the transmission of acquired characters.
Vochting.
Vogt, C.
Voltaire.
Volvox.
VRIES, H. de, on "Variation"--the Mutation theory of.
WAGGETT, REV. P.N., on "The Influence of Darwin upon religious thought".
Wagner.
Waldeyer, W.
Wallace, A.R., on Malayan Butterflies.--on Colour.--and Darwin.--on
the Descent of Man.--on distribution.--on Malthus.--on Natural
Selection.--on the permanence of continents.--on social reforms.--on
Sexual Selection.
Waller, A.D.
Walton.
Watson, H.C.
Watson, S.
Watt, J., and Natural Selection.
Watts, W.W.
Wedgwood, L.
Weir, J.J.
WEISMANN, A., on "The Selection Theory".--on Amphimixis.
Weismann, A., his germ-plasm theory.--on ontogeny.--and Prichard.--and
Spencer.--on the transmission of acquired characters.--various.
Wells, W.C., and Natural Selection.
Weston, S., on language.
WHETHAM, W.C.D., on "The Evolution of Matter".
Whewell.
White, G.
Wichmann.
Wieland, G.R., on fossil Cycads.
Wiesner, on Darwin's work on plant movements.
Williams, C.M.
Williamson, W.C.
Wilson, E.B., on cytology.--letter from Darwin to.
Wolf.
Wollaston's, T.V. "Variation of Species".
Woltmann.
Woolner.
Wundt, on language.
Xylina vetusta.
Yucca, fertilisation of.
Zeiller, R., on Fossil Plants.
Zeller, E.
Zimmermann, E.A.W.
Zittel, on palaeontological research.
"Zoonomia", Erasmus Darwin's.