Semper’sdownloads.hindawi.com/journals/psyche/1908/061710.pdf · 2019-08-01 · President Jordan andProfessor Kellogg have recently made awelcomecontribution tothisclassofliterature

1908] TWO BOOKS OF EVOLUTION 43

TWO BOOKS ON EVOLUTION.

THERE is a growing demand for elementary treatises upon the subject of OrganicEvolution, in which the more important theories are presented briefly and with rea-sonable impartiality. President Jordan and Professor Kellogg have recently madea welcome contribution to this class of literature. Teachers of Zoology will recognizein "Evolution and Animal Life" many illustrations and passages of text which firstappeared in the school book "Animal Life," by the same authors; and will valuethem more highly in their new setting. The new volume is fully twice as large as theearlier one, and is meant for maturer readers, though admirably suited for use as areference book in secondary schools. The new title happily avoids confusion withthat of Karl Semper’s classic work.

Professor Kellogg’s "Darwinism To-day ’’2 is a scholarly statement of evidenceand arguments for and against the Darwinian ideas of species-forming, designed toshow the place which Darwinism holds in the growing pattern of modern biologicaltheory. Perhaps too solid a treatise to attract popular attention, it is neverthelessmost interestingly written, and must commend itself strongly to the educated laymanand the professional biologist alike. The notes and citations appended to the chap-ters give a convenient synopsis of literature dealing with Darwinism, on a scalewhich has not been attempted in any other work of the kind. This feature ismensely valuable. Careful readers will lament the small size and occasional indis-tinctness of the figures by which references to notes are made (those in the body ofthe book are of the same size as the ones used in PSYCHE’S foot-notes); but this isa minor fault. There is scant room for lamentation in the midst of the enthusiasticwelcome which the book deserves.

W. L. W. F.

Evolution nd Animal Life. An elementary discussion of fcts, processes, laws and theories relatingto the life and evolution of animals. By David Starr Jordan and Vernon Lymart Kellogg. New York:D. Appleton & Co. 1907.

Darwinism To-day. A discussion of present-day scientific criticism of the Darwinian selectiontheories, together with a brief account of the principal other proposed auxiliary und ulternutive theoriesof species-forming. By Vernon L. Kellogg. New York: Henry Holt & Co. 1907.

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Semper’sdownloads.hindawi.com/journals/psyche/1908/061710.pdf · 2019-08-01 · President Jordan andProfessor Kellogg have recently made awelcomecontribution tothisclassofliterature