556 



NATURE 



[December 23, 1920 



Chemistry. By Prof. E. Molinari. Translated from 

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A Farmer's Handbook : A Manual for Students 

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The World of Sound : Six Lectures delivered before 

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Religion and the New Psychology : A Psycho- 

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Tables du Mouvement K^pl^rien. By Dr. M. F. 

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The Garden Doctor : Plants in Health and Disease. 

 By F. J. Chittenden. Pp. x+154. (London: 

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Les Etoiles Simples. By Dr. F. Henroteau. Pp. 

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In Search of the Soul and the Mechanism of 

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 lander. In 2 vols. Vol. i. : The History of Philo- 

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 Day. Pp. X+516. Vol. ii. : The Origin of the 

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Properties of Steam and Thermodynamic Theory of 

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Zoomikrotechnik : Ein Wegweiser fiir Zoologen 

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Marine Engineering. By Engr.-Capt. A. E. 

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Die Gestalten der normalen und abnormen Vogeleier 

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Imperial Institute. Monographs on Mineral 

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Leicestershire. By G. N. Pingriff. Pp. xiJ+164. 

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Diary of Societies. 



WEDNESDAY, Decf.hbee 29. 

 Annual Confehence of Edix-atio.val Associations (at Bedford Col- 

 legre for Women), at 3.— Rt. Hon. H. A. L. Fisher: Initinot 

 and Education. 



THURSDAl', Decemiee 30. 



RoiAL iNSTiiuTioN Or Oeeai Beitaix, at 3.— Prof. J. Arthur Thom- 

 son : The Haunts of Life : The School of the Shore (JuTenik- 

 Lectures). 



Annual Conference of Educational Associations (at University 

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 and Edncability.— At 5.— Dr. L. E. Teitoh Clark : Infant Mor 

 tality : Its Causes and Mitigation. 



SATURDAY, Janiabt 1. 



Annual Confebence of Educational Associations (at University 

 College, Gower .Street), at 10.30 a.m. — -A Joint Conference on 

 The Use of Psycho-analvsis in Education. 



RoTAL Institution of Okeat Britain, at 3.— Prof. J. Arthur Thom- 

 son : The Haunts of Life ; The Open Sea (Juvenile Lectures). 



Gilbert White Fellowship (at 6 Queen Square, W.C.I), at 3.— 

 Lecture. 



CONTENTS. PAGE 



The Dyestuffs Bill 5^5 



The Meteorology of the Antarctic 526 



Imperial Mineral Resources. By Prof. H. Louis . 528 



New World Zoology 529 



The Botany of Iceland 530 



Our Bookshelf 53' 



Letters to the Editor: — 



Heredity and Acquired Characters. — Prof. Edward 



B. Poulton, F.R.S ... 532 



Environment and Reproduction. ( IFitA Diagram. ) — 



Prof. Alexander Meek 531 



Mode of Feeding and Sex-phenomena in the Pea-crab 



(Pinnotheres fisum). — Dr. J. H. Orton 533 



The Energy of Cyclones.— W. H. Dines, F.R.S. . 534 



The Mechanics of Solidity.— V. T. Saunders ... 534 

 Needs of Polish Universities.— Cuthbert E. A. 



Clayton 535 



Domestic Fires and Fuels. By J. W. C 536 



A Handbook to Roman Pottery. (/Ilusfrafed.) . . 537 

 Industrial Research Associations. VII. The 

 Research Association of British Motor and 



Allied Manufacturers. By H. S. Rowell .... 538 

 Obituary : — 



Sir D. E. Hutchins 540 



Sir Charles Bruce, G.C.M.G 54i 



Notes 54' 



Our Astronomical Column : — 



A New Comet 54^ 



Tables du Mouvement Keplerien 54* 



The Uccle Observatory 54^ 



Colloid Chemistry. By Prof. W. C. McC. Lewis . 547 



A New Problem of Coastal Navigation. By H. B. G. 54S 



Late Keltic Remains from a Mendip Cave 540 



Physiology at the British Association 549 



Botany at the British Association 550 



University and Educational Intelligence 55> 



Societies and Academies .... 553 



Books Received 555 



Diary of Societies 55* 



