Table of contents

Volume 160 Number 4069 pp549-586


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News

Teachers in Technical Colleges and Schools p549

doi:10.1038/160549a0



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Book Reviews

Chemistry of Muscular Contraction p550

doi:10.1038/160550a0


A Study of the Genus Pæonia p551

doi:10.1038/160551a0


Applied Mathematics for Engineers and Physicists p552

doi:10.1038/160552a0


A Practical Course in Agricultural Chemistry p553

doi:10.1038/160553a0


Microfotografia e Macrofotografia p553

doi:10.1038/160553b0


Atlas of Histopathology of the Skin p553

doi:10.1038/160553c0


An Insect Book for the Pocket p553

doi:10.1038/160553d0



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News

Penicillin and other Antibiotics p554

doi:10.1038/160554a0


Crack Detection p556

doi:10.1038/160556a0


The International Union of Geodesy and Geophysics p558

J. M. STAGG

doi:10.1038/160558a0


The Swedish Deep-Sea Expedition p559

doi:10.1038/160559a0



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Obituaries

Dr. S. H. Daukes, O.B.E p560

doi:10.1038/160560a0


Prof. V. Ulehla p560

doi:10.1038/160560b0


[Obituaries] p561

doi:10.1038/160561a0



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News

Physiology at Charing Cross Hospital Medical School: Prof. William Burns p561

doi:10.1038/160561b0


Walter Holbrook Gaskell (1847–1914) p561

doi:10.1038/160561c0


George Green, 1793–1841 p561

doi:10.1038/160561d0


Department of Scientific and Industrial Research: Activities in Scotland p562

doi:10.1038/160562a0


New Vegetable Research Station p562

doi:10.1038/160562b0


Agriculture in the Caribbean p562

doi:10.1038/160562c0


A Central Library of the World p562

doi:10.1038/160562d0


Literature of Spectrochemical Analysis p563

doi:10.1038/160563a0


Nature Lover: The Magazine of the Countryside p563

doi:10.1038/160563b0


U.S. National Academy of Sciences: Officers p563

doi:10.1038/160563c0


Rook Behaviour during Incubation p563

doi:10.1038/160563d0


University of Leeds: Appointments p563

doi:10.1038/160563e0


University of Sheffield: Appointments p564

doi:10.1038/160564a0


The Night Sky in November p564

doi:10.1038/160564b0


Announcements p564

doi:10.1038/160564c0



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Letters to Editor

Electron Microscope Studies of Normal and Malignant Tissues of High- and Low-Breast-Cancer Strains of Mice p565

R. D. PASSEY,  L. DMOCHOWSKI,  W. T. ASTBURY & R. REED

doi:10.1038/160565a0


Specimen Changes due to Electron Bombardment in the Electron Microscope p565

E. F. BURTON,  R. S. SENNETT & S. G. ELLIS

doi:10.1038/160565b0


Use of Polarized Radiation in Infra-Red Analysis p567

A. VALLANCE JONES

doi:10.1038/160567a0


Temperature Variation of the Second-Order Raman Spectrum of Crystals p568

A. STEHANOV

doi:10.1038/160568a0


Crystal Structures of para-Dinitrobenzene and para-Nitraniline p569

J. MONTEATH ROBERTSON

doi:10.1038/160569a0


Crystal Structure of Para-bromochlorobenzene p570

A. KLUG

doi:10.1038/160570a0


Purification of Renin by Means of Protein-Precipitating Agents p570

AKSEL BIRCH-ANDERSEN

doi:10.1038/160570b0


Properties of the Fibrinokinase-Fibrinolysin System p571

PER M. PERMIN

doi:10.1038/160571a0


β-Glucuronidase and Tissue Proliferation p572

LYNDA M. H. KERR,  G. A. LEVVY & J. G. CAMPBELL

doi:10.1038/160572a0


Formation of Cellulose by Acetobacter acetigenum p572

R. KAUSHAL & T. K. WALKER

doi:10.1038/160572b0


Detection of Acetic Acid in A. niger Growing on a Glucose Medium p573

I. D. CHUGHTAI,  A. A. PEARCE & T. K. WALKER

doi:10.1038/160573a0


Utilization of Citric Acid by some So-called Citrate-non-Utilizing Bacteria p573

IWO LOMINSKI,  N. S. CONWAY,  E. M. HARPER & J. BASIL RENNIE

doi:10.1038/160573b0


Identity of Griseofulvin and ‘Curling-Factor’ p574

J. C. MCGOWAN

doi:10.1038/160574a0


A Fungistatic and Bacteriostatic Red Pigment Produced by a Strain of the Penicillium nigricans-janczewskii Series p574

J. F. GROVE

doi:10.1038/160574b0


Formation of Uranium Hydride p575

J. GUÉRON & L. YAFFE

doi:10.1038/160575a0


Action of Per-Acids on the Iso-Octenes p575

J. G. M. BREMNER

doi:10.1038/160575b0


[Letters to Editor] p576

W. J. HICKINBOTTOM

doi:10.1038/160576a0


Absolute Values of the Rates of Unimolecular Reactions p576

H. PELZER

doi:10.1038/160576b0


[Letters to Editor] p576

N. B. SLATER

doi:10.1038/160576c0


A New Source of Taraxerol p577

W. J. DUNSTAN,  G. K. HUGHES & N. L. SMITHSON

doi:10.1038/160577a0


Respiration and Cell-Division in Eggs of the Sea Urchin, Psammechinus miliaris p577

ERIK ZEUTHEN

doi:10.1038/160577b0


Rearing of Trombicula acuscutellaris Walch p578

S. H. JAYEWICKREME & W. J. NILES

doi:10.1038/160578a0



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News

β- and γ-Radiation from U239 and Np239 p579

doi:10.1038/160579a0



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Articles

Infra-Red Spectrum and Molecular Structure of Phthiocerane p580

S. STÄLLBERG-STENHAGEN,  E. STENHAGEN,  N. SHEPPARD,  G. B. B. M. SUTHERLAND & A. WALSH

doi:10.1038/160580a0


Further Observations on the Nutritional Requirements of the Larva of Aedes ægypti L p582

L. GOLBERG & B. DE MEILLON

doi:10.1038/160582a0



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News

Bacteriology of Water p583

doi:10.1038/160583a0


Practical Training of Electrical Engineers p585

doi:10.1038/160585a0



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Miscellany

Forthcoming Events p585

doi:10.1038/160585b0


Appointments Vacant p586

doi:10.1038/160586a0


Reports and other Publications p586

doi:10.1038/160586b0