COLLECTED ESSAYS

BY T. H. HUXLEY

VOLUME VI

Man's Place in Nature.

"Essays in Science.

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The Crayfish:

An Introduction to the

rother

Juscouses, Biological
Geological

Study of Zoology.

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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
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