Part 27

Diderot, 6, 198

Dimorphism, seasonal, 30

Dismorphia orise, 75

Dragomirov, 273

Driesch, Foot Note 67

Dryopithecus, 132

Dubois, E., on Pithecanthropus, 132, 137

Duehring, 214, 277

Duns Scotus, 200

Duret, C., 6

Durkheim, on division of labour, 278

Ecology, Foot Note 205

Eimer, 109

Elymnias undularis, 73, 75

Embryology, the Origin of Species and, 154, 155

Empedocles, 3, 27, 151

Engels, 277

Environment, action of, 12, 13, 15

Epicurus, a poet of Evolution, 4

Eristalis, 75

Espinas, 275

Evolution, and creation, 233 --conception of, 3-5, 9, 148, 151, 198 --discontinuous, 30 --experimental, 5, 7 --factors of, 11-15 --mental, 194 --Lloyd Morgan on mental factors in, 166-196 --Darwinism and Social, 18 --Saltatory, 29-32 --Herbert Spencer on, 204-207 --Philosophers and modern methods of studying, 4

Expression of the Emotions, 177-184

Ferri, 277

Ferrier, his work on the brain, 523 [Transcriber's note: No such page number or reference seen]

Fichte, 222

Flourens, 267

Flowers and Insects, 61, 78