More than six years ago Mr. Herbert Spencer published, in his ʻPrinciples of Biology,ʼ a view of the nature and origin of the Annulose type of animals, which goes to the very root of the whole question [of biological evolution]; and, if this view is a sound one, it must materially affect the interpretation of all embryological and anatomical facts bearing on this great subject, that those who work in ignorance of it can hardly hope to arrive at true results. –Alfred Russel Wallace, 1872
Octavo. Two volumes.Half-titles, publisher's original cloth, spines faded, one joint split. Uniformally toned at spines and board edges, light wear at spine ends; water damage and bubbling to rear board of vol. I; traces of light dampstaining at rear of vol. I and early gatherings of vol. II. Biology as interpreted via evolution. Spencer introduced the phrase “survival of the fittest” in The Principles of Biology. Darwin later said that he preferred this phrase to his own “natural selection”. RARE.