In this Issue

Table of Contents

Darwinian Evolution and the Problem of Extraterrestrial Life

Theodosius Dobzhansky
pp. 157-176
DOI: https://doi.org/10.1353/pbm.1972.0034
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The Chain of Unexpected Discovery: Xanthopterin-stimulated Renal Mitosis

Alexander Haddow, W. C. J. Ross, G. M. Timmis
pp. 177-218
DOI: https://doi.org/10.1353/pbm.1972.0039
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Blood—the Circulatory Computer Tape

Irvine H. Page
pp. 219-220
DOI: https://doi.org/10.1353/pbm.1972.0041
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Adenosine 3´, 5´-Monophosphate: On Its Mechanism of Action

Wai Yiu Cheung
pp. 221-236
DOI: https://doi.org/10.1353/pbm.1972.0043
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Human Heredity and Ethical Problems

Bentley Glass
pp. 237-253
DOI: https://doi.org/10.1353/pbm.1972.0033
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Fallacies and Errors in the Wonderlands of Biology, Medicine, and Lewis Carroll

Dwight J. Ingle
pp. 254-283
DOI: https://doi.org/10.1353/pbm.1972.0036
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Comments on a Paper by John B. Graham, "The Relation of Genetics to Control of Human Fertility"

Dudley Kirk
pp. 284-294
DOI: https://doi.org/10.1353/pbm.1972.0037
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A Sempiternal Superstition: For a Dislocated Joint, a Split Green Reed, and a Latin Charm

Walton Brooks McDaniel
pp. 295-306
DOI: https://doi.org/10.1353/pbm.1972.0038
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Speculations on the Origins of Life and the Mechanism of Cancer

H. A. Saroff
pp. 307-308
DOI: https://doi.org/10.1353/pbm.1972.0040
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A Note on the Problem of Free Will

V. Siomopoulos
pp. 309-310
DOI: https://doi.org/10.1353/pbm.1972.0065
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Letters to the Editor

Frank R. Freemon, Philip Wade, N. Howard-Jones, Virginia Delaney Black
pp. 311-313
DOI: https://doi.org/10.1353/pbm.1972.0042
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Memories By Julian Huxley (review)

Dwight J. Ingle
pp. 314-315
DOI: https://doi.org/10.1353/pbm.1972.0032
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Announcements of New Books

pp. I-II
DOI: https://doi.org/10.1353/pbm.1972.0035
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