END OF VOL. V

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THOMAS H. HUXLEY'S WORKS.

Collected. Essays, 12mo, cloth, $1.25 per volume.
Vol. 1. Method and Results.
" 2. Darwiniana.
" 3. Science and Education.
" 4. Science and Hebrew Tradition.
" 5. Science and Christian Tradition.
" 6. Hume.
" 7. Man's Place in Nature.
" 8. Discourses, Biological and Geological.
" 9. Evolution and Ethics, and Other Essays.

The Crayfish:
An Introduction to the Study of Zooelogy.
With 82 Illustrations. 12mo, cloth, $1.75.

Manual of the Anatomy of Vertebrated
Animals. Illustrated. 12mo, cloth, $2.50.

Manual of the Anatomy of Invertebrated
Animals. Illustrated. 12mo, cloth, $2.50.

Physiography:
An Introduction to the Study of Nature. With
Illustrations and Colored Plates. 12mo, cloth, $2.50.

The Origin of Species;
Or, The Causes of the Phenomena of Nature.
12mo, cloth, $1.00.

D. APPLETON AND COMPANY, NEW YORK.

* * * * *

"THE BOOK OF THE YEAR."

LIFE AND LETTERS OF THOMAS HENRY HUXLEY
By his Son, LEONARD HUXLEY.
In two volumes. Illustrated. 8vo. Cloth, $5.00 net.

"This very complete revelation of the character and work of
a man who must be regarded as one of the forces which gave
character to the nineteenth century will be welcomed by a
far wider circle of readers than that which is interested in
Huxley's strictly scientific researches.... These two richly
interesting volumes are sure to be widely read."--_London
Times_.

"It 'goes without saying' what precious freight was carried
by Huxley's letters.... These two delightful
volumes."--_London Chronicle_.

"Huxley's life was so full, so active, so many-sided, in
touch with such a number of interesting people, that this
work appeals to all sorts and conditions of men.... An
admirably written biography."--_London Standard_.

"His letters are a self-revelation of the man, his work, his
ambitions, his trials, his views of religion, his
philosophy, his public activity and domestic happiness....
Whoso reads these volumes will feel that he knows better a
man worth knowing, and the number who will read them will be
great."--_London Telegraph_.

"Huxley's career makes a wonderful story."--_London Mail_.

"Mr. Leonard Huxley has given the world many ex