win, 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
a