. Review of reviews and world's work. asjust been issued by the Columbia University Press (Vol-ume VIII. of the Columbia Biological Series), and is en-titled The Dynamics of Living Matter. It is really arecasting of a series of eight lectures delivered at Co-lumbia some years ago, and sums up the results ofDr. Loebs researches, particularly in solving the prob-lem as to what extent science is able to control thephenomena of development, self-preservation, and repro-duction. What Dr. I^oeb has done, he declares in hisintroductory remarks, is to prove that, while under or-dinary conditions the e
. Review of reviews and world's work. asjust been issued by the Columbia University Press (Vol-ume VIII. of the Columbia Biological Series), and is en-titled The Dynamics of Living Matter. It is really arecasting of a series of eight lectures delivered at Co-lumbia some years ago, and sums up the results ofDr. Loebs researches, particularly in solving the prob-lem as to what extent science is able to control thephenomena of development, self-preservation, and repro-duction. What Dr. I^oeb has done, he declares in hisintroductory remarks, is to prove that, while under or-dinary conditions the egg of the Pacific sea-urchin doesnot develop unless a spermatazoon enters it, the ferti-lizing effect of a spermatazoon can be imitated, in allessential details, by putting an egg for a minute intosea water to which a certain amount of a fatty acid hasbeen added, and by subsequent exposure of the egg forabout half an hour to sea water whose concentrationhas been raised by a certain amount. 766 THE AMERICAN MONTHLY RE^/EIV OF PROFESSOR JACQUES LOEB. Almost simultaneously with Professor Loebs lec-tures appears an important volume by Professor JohnButler IJvirke, of Cambridge, on The Origin of Life:Its Physical Basis and Definition (Stokes). Many ofour readers will doul)tless recall the article by Profes-sor Burke wliich appeared in the Forinlghtty Reviewfor September, 1905, and which was reviewed in thepages of this magazine. Professor Burke will be re-membered as the discoverer of radiobes. While helends no encouragement to the doctrine of the develop-ment of living from absolutely non-living matter, hedoes go so far as to express the belief that we have ar-rived at a method of structural organic syntliesis of ar-tificial cells which partially fills the gap or borderlandbetween living and dead matter as familiarly under-stood. An introductory account of the present state of thescience of astronomy, a sort of vestibule to the itself, is Dr. Forest Ray Moul
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