MAN’S PLACE IN NATURE. 1 vol., 12mo. Cloth, $1.25.LAYSERMONS, ADDRESSES, AND REVIEWS. 1 vol., 12mo. Cloth, $1.75.
ON THE ORIGIN OF SPECIES. 1 vol., 12mo. Cloth, $1.00.CRITIQUES AND ADDRESSES. 12mo. Cloth, $1.50.
MORE CRITICISMS ON DARWIN, AND ADMINISTRATIVE NIHILISM. 1 vol., 12mo. Limp cloth, 50 cents.AMERICAN ADDRESSES; with a Lecture on the Study of Biology. 12mo. Cloth, $1.25.
A MANUAL OF THE ANATOMY OF VERTEBRATED ANIMALS. Illustrated. 1 vol., 12mo. Cloth, $2.50.PHYSIOGRAPHY: an Introduction to the Study of Nature. With Illustrations and Colored Plates. 12mo. Cloth, $2.50.
A MANUAL OF THE ANATOMY OF INVERTEBRATED ANIMALS. $2.50.ELEMENTS OF PHYSIOLOGY AND HYGIENE. By T. H. Huxley and W. J. Youmans. 1 vol., 12mo. $1.50.

EMINENT MODERN SCIENTISTS.

HERBERT SPENCER’S WORKS. 14 vols., 12mo. Cloth, $25.25.

First Principles.$2 00Study of Sociology. (International Scientific Series)1 50
Principles of Biology. 2 vols.4 00Education.1 25
Principles of Psychology. 2 vols.4 00Discussions in Science, Philosophy, and Morals.2 00
Principles of Sociology. Vol. I. Parts I., II., and III.2 00Universal Progress.2 00
Ceremonial Institutions. Being Part IV. of the Principles of Sociology.1 25Essays: Moral, Political, and Æsthetic.2 00
Data of Ethics.1 25Social Statics.2 00
Philosophy of Style. 12mo. Flexible cloth, 50 cents.

Descriptive Sociology. To Subscribers, for the whole work, per part, $3.50; single part $4.00. Published in folio, with Tables. Six Parts now ready, namely: 1. English; 2. Ancient Americans; 3. Negritto and Malayo-Polynesian Races; 4. African Races; 5. Asiatic Races; 6. North and South American Races.


CHARLES DARWIN’S WORKS. 11 vols., 12mo. Cloth, $24.00.

Origin of Species.$2 00Insectivorous Plants.2 00
Descent of Man.3 00Climbing Plants.1 25
Journal of Researches.2 00Orchids Fertilized by Insects.1 75
Emotional Expression.3 50Fertilization in the Vegetable Kingdom.2 00
Animals and Plants under Domestication. 2 vols.5 00Forms of Flowers.1 50