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THE PRIMARY FACTORS OF ORGANIC EVOLUTION.
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DARWIN AND AFTER DARWIN. An Exposition of the Darwinian
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By George John Romanes, LL. D., F. R. S., etc.
1. The Darwinian Theory. With portrait of Darwin.
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2. Post-Darwinian Questions. Heredity and Utility.
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Selection. With portrait of Mr. J. T. Gulick. Pp.,
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A FIRST BOOK IN ORGANIC EVOLUTION. An Introduction
to the Study of the Development Theory by D. Kerfoot
Shute, M. D. Pages, xvi, 285, 39 illustrations—9 in natural
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AN EXAMINATION OF WEISMANNISM. By George John
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THE PSYCHIC LIFE OF MICRO-ORGANISMS. By Dr.
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ON GERMINAL SELECTION. By August Weismann. Pp.,
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ON MEMORY, AND THE SPECIFIC ENERGIES OF THE
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A MECHANICO-PHYSIOLOGICAL THEORY OF ORGANIC
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ON ORTHOGENESIS. By Th. Eimer. Pp., 56. Paper, 30c.
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THE PRINCIPLES OF BACTERIOLOGY. By Dr. Ferdinand
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