, 384

Father, the man who could be father of such a son and retain his
affection, &c., 76

Factors, there have been two, of modification, one producing and the
other accumulating variations, 227

Fecundity, alternate years of, Buffon on, 125

Feeding and breeding, 222

Feel, if plants and animals look as if they feel, let us say
they feel, 198

Feeling, there is more feeling than reason in animals, 51

Feral characteristics, resumption of, Buffon on, 123

Final causes, the doctrine of, as commonly held in the time of the
early evolutionists, 34, 36

---- Buffon on, 118, &c.

Fitness, the cause of, more important than the fact that fitness is
commonly fit, and therefore successful, 351

Flat fish, Lamarck on the eyes of, 307

Fluctuation of opinion, C. Darwin on Buffon's, the charge
refuted, 97, &c., 164, 166

Fontenelle, on theories, 22

Foot, and model of foot, differences between, 24

Forms of faith, or faiths of form, &c., 339

Four main points which the early evolutionists failed to see in
their connection and bearing on each other, 37, 203

Four main principles, the, which I contended for in "Life and
Habit," 37, 203, 380, 381

Fowls and pigeons, Buffon on, 169

GARNETT, Mr. R., and "Darwinising," 21

Genius, Mr. Allen says I am a, 388

Gentleman, the Church of Rome means the same by the word as we do, 395

Geoffroy, Etienne, how small a way he goes, 196

---- and Isidore, trimmers, 328

---- on Buffon, 328

---- on conditions of existence, 326, 327

---- declares against Lamarck's hypothesis, 328

---- his position, 325-328

Geoffroy, Isidore, on evolution and final causes, 9

---- on Buffon's fluctuation of opinion, 98, &c., 164, 166

---- points out the difference between the views of Buffon
and Lamarck, 105

---- statement that Buffon's opinions fluctuated again refuted, 166

---- and Lamarck's hypothesis, 244-246, 329

---- on Buffon, 328

---- his position, 329

Genealogical order, Lamarck on, 264

---- C. Darwin on, 265

Generation more remarkable than reason, Hume on, 233

Generic differences (as well as specific), Buffon on, 164

Genius, a supreme capacity for taking pains, 76

Geographical distribution, changed, Buffon on, 145, &c., 164

Geometrical ratio of increase, Buffon on, 123

---- Lamarck, on, 280

---- Patrick Matthew on, 320, 321

Germ of oak indistinguishable from that of a man, 334

Germans, Buffon on the, 93