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not say, that the Congoids, now Homo sapiens like everyone else, are biologically inferior in any way—and it has nothing whatever to do with political and social equality ofthe races. Here Coon b nevertheless open to criticbm on an important technical point oftaxonomy . Hb use ofthe strictly morphological definition ofevolutionary grade and hb equation of thb with the category of "species," which almost all systematbts define biologically, invite confusion and misunderstanding. He has, for example, the Congoids as a subspecies ofHomo erectus and the Caucasoids as a subspecies ofHomo sapiens at the same time. The biological implication of such a representation of two contemporaneous species b that interbreeding between them had definitively ended and that henceforth Congoids and Caucasoids were not simply intergrading subspecies but two entirely dbtinct specific evolutionary lines. That b obviously not the case, and Coon surely does not mean it, but that b an implication in hb presentation. Coon attempts to reconcile thb anomaly by analogy with current definition ofthe class Mammalia as a morphological grade, but there b a great categorical and biological difference between a class and a species, and in thb particular respect the analogy does not hold. Apart from hb main thesb, Coon's interpretations ofmany lesser points will stimulate scientific discussion and, no doubt, controversy. That b all to the good, and hb book will surely lead to still further progress in thb difficult field. Anyone who has read previous works by Coon knows that he b a master ofstyle. His ability to make even the most technical points clear and fascinating and hb wit and flanare here again fully in evidence. A booksopacked withdata and covering so enormousarangeofknowledge inevitably has minor slips and faults. It would be picayune and beyond legitimate criticbm to do more than support that statement with three examples: the time scale given for the Cenozoic epochs does not agree with the consensus or with its stated source; the restoration used for the skull ofProconsul b the less probable of the two available; and on Map 7 (page 280) Fort Teman b incorrectly located. The styling and physicalpresentation ofthe book are excellent.Thereare numerous and clear maps, diagrams, and drawings in the text and thirty-two large, well-printed photographic plates. Thb first printing does contain too many typographical errors, but probably only two significantly alter the sense: the second line of the footnote on page 498 should read: "Here there will be no talk . . .", and the sentence starting on the third line ofpage 537 should begin "In Australopithecus the coracoid process . . .". G. G. Simpson Museum ofComparative Zoology Harvard College Metabolic and Endocrine Physiology. ByJay Tepperman. Chicago: Yearbook Medical Publbhers , Inc., 1962. Pp. 214. $7.50. Nearly everyone who has the responsibility ofpresenting the subject ofendocrinology to medical students has, I am sure, dreamed ofwriting a short book which would bring together the exciting current work on action of hormones, the regulation of hormone 272 Book Reviews Perspectives in Biology and Medicine · Winter 1963 production, and the application ofthese concepts to clinical matters. Dr.Jay Tepperman has now writtenjust thb book. In hb own words, "it is directed to an imaginary, undifferentiated , toti-potential first or second year medical student (I would not be desolate, however, if a colleague or fellow-teacher were to experience an occasional 'shock of recognition' in these pages)." Dr. Tepperman is a gifted and lucid teacher and has managed to transfer hb insight and wit to these pages. The general objective b to elucidate how the total behavior ofthe organism is integrated by neural and hormonal signab. There are chapters on "Hypothalamo-Hypophysial Relay Systems" and on "Energy Balance" (including satiety signab and the long-term repercussions ofobesity), as well as upon each ofthe recognized hormonal systems. To illustrate the approach and coverage, in the chapter on "Endocrine Function of the Pancreas ," the subheadings include chembtry ofinsulin; insulin assay methods; regulation of blood glucose; the panmetabolic nature ofinsulin lack (including a clear exposition of the factors contributing to ketosis and dehydration); the cellular significance of insulin, including current theories of insulin action; the long-range effects of insulin lack; the hereditary factor in diabetes; and use ofchemical agents in study ofislet...

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Additional Information

ISSN
1529-8795
Print ISSN
0031-5982
Pages
pp. 272-274
Launched on MUSE
2015-01-07
Open Access
No
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