(782/10. The concluding chapter of the "Life and Letters" gives some
account of the gradual failure in health which was perceptible in the
last year of Mr. Darwin's life. He died on April 19th, 1882, in his 74th
year.)

THE END.

INDEX.

INDEX.

[The German a-, o-, u-diaeresis are treated as a, o, u, not as ae, oe,
ue.]

Aberrant genera, Darwin's work on.

Abich, on Vesuvius.

Abinger, excavations of Roman villa at.
-plants from.

Abinger Hall, Darwin visits.
-Lord Farrer's recollections of Darwin at.

Abiogenesis, Huxley's address on Biogenesis and.

Abortion, Romanes on.

Abrolhos, plants from the.

Abromia.

Abrus precatorius, dispersal of seeds.

Abstract, Darwin's dislike of writing papers in.

Abstract, the name applied by Darwin to the "Origin."

Abutilon, F. Muller's experiments on.

Abyssinia, flora of.

"Academy," Darwin's opinion of the.

Acanthaceae.

Acceleration of development, Cope and Hyatt on retardation and.
-reference in the "Origin" to.

Accumulation, of deposits in relation to earth-movements.
-of specific differences.
-of sterility.
-of varieties.

Accuracy, difficult to attain.
-the soul of Natural History.

Aceras, fertilisation of.
-monstrous flower.

Acineta, Darwin unable to fertilise.

Aconitum, peloria and reversion.

Acropera, atrophy of ovules.
-Darwin's mistake over.
-fertilisation of.
-relation to Gongora.
-J. Scott's work on.

Acropera Loddigesii, abnormal structure of ovary.
-Darwin's account of flower.
-artificial fertilisation.
-relation to A. luteola.
-J. Scott's observations.
-two sexual conditions of.
-A. luteola, Darwin's observations on.
-fertilisation of.
-flowers of.
-structure of ovary.

Adaptation, Darwin's difficulty in understanding.
-hybrids and.
-not the governing law in Geographical Distribution.
-more clearly seen in animals than plants.
-Natural Selection and.
-in orchids.
-resemblances due to.
-in Woodpecker.

Adenanthera pavonina, seed-dispersal by Parrots.

Adenocarpus, a Mediterranean genus in the Cameroons.

Adlumia.

Adoxa, difference in flowers of same plant.

Aecidium elatinum, Witches'-Broom fungus.

Aegialitis Sanctae-helenae.

Aegilops triticoides, hybrids.

Affaiblissement, A. St. Hilaire on.

Africa, connection with Ceylon.
-connection with India.
-continent of Lemuria and.
-considered by Murchison oldest contine