Table of contents

Volume 163 Number 4145 pp545-584


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News

Selection Methods and Man-Power p545

doi:10.1038/163545a0



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Book Reviews

Concepts of Culture p547

doi:10.1038/163547a0


Caste in India p548

doi:10.1038/163548a0


Practical Electronic Circuits for Industry p549

doi:10.1038/163549a0


Mathematics for the Engineer p550

doi:10.1038/163550a0


Sense of Taste p550

doi:10.1038/163550b0



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News

Central and East African Water Resources p551

doi:10.1038/163551a0


Reform of German Higher Education in the British Zone of Occupation p552

doi:10.1038/163552a0



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Article

Chloromycetin: Its Structure and Synthesis p553

doi:10.1038/163553a0



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News

Cytology as a Factor in Taxonomy p554

doi:10.1038/163554a0



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Obituaries

Mr. P. Bruce White, F.R.S p556

doi:10.1038/163556a0


Capt. G. C. Shortridge p556

doi:10.1038/163556b0


Prof. Douglas Hay p557

doi:10.1038/163557a0


Mr. John Ardagh p557

doi:10.1038/163557b0



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News

Organic Chemistry at the Imperial College: Sir Ian Heilbron, F.R.S p558

doi:10.1038/163558a0


Prof. R. P. Linstead, C.B.E., F.R.S p558

doi:10.1038/163558b0


National Research Council of Canada: Dr. R. W. Boyle p558

doi:10.1038/163558c0


Medical Physics at the University of Pennsylvania: Dr. Britoon Chance p558

doi:10.1038/163558d0


Mechanical Engineering in Queensland: Prof. Mansergh Shaw p559

doi:10.1038/163559a0


Kodak Research Laboratories p559

doi:10.1038/163559b0


Ray Society: Annual General Meeting p559

doi:10.1038/163559c0


Nature of Plastics p559

doi:10.1038/163559d0


Plant Propagation by Cuttings p560

doi:10.1038/163560a0


Industrial Management p560

doi:10.1038/163560b0


Engineering Metrology p560

doi:10.1038/163560c0


Biology of Water Supply p560

doi:10.1038/163560d0


Research Boards of the Department of Scientific and Industrial Research p560

doi:10.1038/163560e0


New Trends in Biology Teaching p561

doi:10.1038/163561a0


South-Eastern Union of Scientific Societies p561

doi:10.1038/163561b0


Colonial Service: Recent Appointments p561

doi:10.1038/163561c0


Announcements p561

doi:10.1038/163561d0



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Letters to Editor

Determination of Carbonic Anhydrase Activity p562

A. M. CLARK

doi:10.1038/163562a0


Effect of Urethane Combined with X-Rays on Chick Fibroblasts p563

EDITH PATERSON & MARY V. THOMPSON

doi:10.1038/163563a0


A New Method for Determining the Weight of Cellular Structures p563

A. ENGSTRÖM & B. LINDSTRÖM

doi:10.1038/163563b0


Chlorophorin, a Constituent of Iroko, the Timber of Chlorophora excelsa p564

M. F. GRUNDON & F. E. KING

doi:10.1038/163564a0


Formation of Trivalent Cobalt Complexes in Protein Hydrolysates p565

PER LALAND & KARL CLOSS

doi:10.1038/163565a0


A Quinonoid Structure for Hydroquinone Pyridinium Salts of Organic Acids p565

ABDEL FATTAH ALY ISMAIL

doi:10.1038/163565b0


Clathrate Compound Formed by Benzene with an Ammonia–Nickel Cyanide Complex p566

H. M. POWELL & J. H. RAYNER

doi:10.1038/163566a0


Double Orientation and Infra-Red Dichroism in Polymers p567

A. ELLIOTT,  E. J. AMBROSE & R. B. TEMPLE

doi:10.1038/163567a0


Reactions in Liquid Sulphur Dioxide p567

I. LAUDER & E. ROSSITER

doi:10.1038/163567b0


Determination of Keto-Acids by Partition Chromatography on Filter-Paper p568

DORIANO CAVALLINI,  NORA FRONTALI & GIOVANNI TOSCHI

doi:10.1038/163568a0


Divergent-Beam X-Ray Photography p569

W. MAY

doi:10.1038/163569a0


Radioactivity of Dust p570

Č. JECH

doi:10.1038/163570a0


Raman Spectrum of Potassium Bromide p570

R. S. KRISHNAN & P. S. NARAYANAN

doi:10.1038/163570b0


Differential Transformer Bridge Operated by Square Waves p571

W. A. PROWSE & ELIZABETH LAVERICK

doi:10.1038/163571a0


Free Barium in and Evaporated from Oxide Cathodes p572

R. O. JENKINS & R. H. C. NEWTON

doi:10.1038/163572a0


A Simple Method of Producing Wide-Band Frequency Modulation p572

H. RAKSHIT & N. SARKAR

doi:10.1038/163572b0


Studies on Human Dentine p573

H. F. ATKINSON & E. MATTHEWS

doi:10.1038/163573a0


Mutations by Photodynamic Action in Bacterium prodigiosum p573

R. W. KAPLAN

doi:10.1038/163573b0


Artificial Media for Rearing some Phytophagous Lepidoptera p574

EUNICE F. WELLINGTON

doi:10.1038/163574a0


A Fungus Disease of Raspberries Induced by Insect Attack p574

R. S. PITCHER & P. C. R. WEBB

doi:10.1038/163574b0


Biological Oxidation of Manganous Sulphate in Soils p575

V. B. D. SKERMAN & S. M. BROMFIELD

doi:10.1038/163575a0


A Narwhal in the Thames Estuary p575

F. C. FRASER

doi:10.1038/163575b0



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News

Sub-Microscopic Localization of Minerals in Skeletal Muscle by Internal ‘Micro-Incineration’ within the Electron Microscope p576

M. H. Draper & A. J. HODGE

doi:10.1038/163576a0


The Teaching of Biology in Schools p577

doi:10.1038/163577a0


Structure of the Resting Nucleus in Marasmius Androsaceus Fries p579

J. A. Macdonald

doi:10.1038/163579a0


A Notation for the Lewis and Lutheran Blood-Group Systems p580

doi:10.1038/163580a0


The Teaching of Physics p581

doi:10.1038/163581a0


Climatic Races of Achillea p582

doi:10.1038/163582a0


Treasury Grants for Science and Research in Great Britain p583

doi:10.1038/163583a0



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Miscellany

Forthcoming Events p583

doi:10.1038/163583b0


Appointments Vacant p584

doi:10.1038/163584a0