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.