668 



NATURE 



[May 20, 1922 



Royal Magnetical and Meteorological Observatory at Batavia. 

 Observations made at Secondary Stations in Netherlands East-India. 

 Vol. 8(1918). Pp. ix+104. (Batavia.) 



University College of North Wales. Calendar for Session 1921-22. 

 Pp. 394. (Bangor.) 



The Journal of the Royal Agricultural Society of England. Vol. 

 82. Pp. 8+298+cxxxii+x+28. (London : J. Murray.) 15s. 



Review of Agricultural Operations in India, 1920-21. Pp. vi + 120. 

 (Calcutta : Government Printing Offlce.) 1.4 rupees. 



Annual Report of the Director, Kodaikanal and Madras Observa- 

 tories, for 1921. Pp. il+25. (Madras ; Government Press.) annas. 



Experimental and Research Station, Nursery and Market Garden 

 Industries' Development Society, Limited, Turner's Hill, Cheshunt. 

 Herts. Seventh Annual Report, 1921. Pp. 52. (Cheshunt : Cheshunt 

 Press, Ltd.) 



Department of Agriculture and Natural Resources : Weather 

 Bureau. Annual Report of the Weather Bureau for the Year 1918. 

 Part 4 : Hourly Results of the Observations made at the Magnetic 

 Observatory of Antipolo, near Manila, P.I., diu-ing the Calendar Year 

 1918. Pp 47. (Manila: Bureau of Printing.) 



Diary of Societies. 



FRIDAY, MAT 19. 

 Institute of Transport (at Institution of Civil Engineers), at 10 a.m. 



— D. H. Daviea : The Finance of the Modern Highway : A Problem 



and a Solution. — Prof. J. Carlier : Foreign Railway Practice. — 



Col. J. W. Pringle : Safety in Railway Operation. 

 Association op Economic Biologists (in Botanical Lecture Theatre, 



Imperial College of Science and Technology), at 2.30. — W. Bushton : 



Further Contributions to the Biology of Freshwater Fishes. — Prof. 



J. H. Priestley : Toxic Action of Illuminating Gas on Plants (with 



Demonstration). 

 Royal Society of Medicine (Otology Section), at 5. — Annual General 



Meeting. 

 Institute of Transport (at Royal Society of Arts), at 5. — F. V. 



Ruasell : The Operation of Heavy Subiwhan Passenger Services on 



a Steam Railway, with particular reference to Density of Service, 



Terminal and other Facilities. 

 Institution of Electrical Engineers (London Students' Section) 



(Annual General Meeting), at 7.— A. H. Reeves : The Elimination 



of Atmospherics in Radio-telegraphy. 

 Royal Society op Medicine (Electro-therapeutics Section) (Annual 



General Meeting) (at Langham Hotel), at 7.15. 

 Geologists' Association (at University College), at 7.30.— H. Dewey: 



The Sources and Transport of Non-local Rocks in the London Area. 

 Junior Institution op Engineers, at 8. — F. W. G. Clark : Engineer- 

 ing Business in China. 

 Royal Institution op Great Britain, at 9.— Sir William Bragg : 



The Structure of Organic Crystals. 



SATURDAY, MAY 20. 

 Royal Institution of Great BRiTAiNjat 3. — Prof.'O. W. Richardson : 

 The Disappearing Gap between the X-ray and Ultra-violet Spectra. 

 II. Photo-electric Methods. 



MONDAY, May 22. 



Royal Society of Medicine (Odontologylt Section) (Annual General 

 Meeting), at 8.— E. Sprawson : The Significance of the Extra Cusp 

 commonly found on the Antero-internal Aspect of the Maxillary 

 First Permanent Molar in Man.— H. C. Malleson : Some Notes on 

 Dental Histology. 



Royal Geographical Society (at ^olian Hall), at 8.30 — H ' Lee 

 Shuttleworth :^ The Border Countries of the Punjab Himalaya.' 



TUESDAY, May 23. 



Royal Institution of Great Britain, at 3.— Prof. W. Bulloch : 

 Tyndall's Biological Researches and the Foundations of Bacteriology 

 (2). (Tyndall Lectures.) 



Institute op Physics (Annual General Meeting) (at Royal Society) 

 at 5.— Sir J. J. Thomson : Presidential Address. 



Royal Society op Medicine (Medicine Section) (Annual General 

 Meetmg), at 5.30.— M. P. L. VioUe : A Practical and Accurate 

 Method of Estimating Diuresis. — Dr. W. Hunter : The Nervous 

 Disorders of Severe Anaemias in relation to their Infective Lesions 

 and Blood Changes. 



Zoological Society op London, at 5.30.— The Secretary : Report on 

 the Additions to the Society's Menagerie during the month of April 

 1922.— Rev. H. N. Hutchinson and E. Godwin : Exhibition of a 

 Plaster Cast of a Model Reconstruction of the Marine Reptile 

 Peloneustes phUarchus, a Pliosaur from the Oxford Clay — Sir Sidney 

 F. Harmer : Commerson's Dolphin and other Species of Cephalo- 

 rhynchus. — C. F. Cooper : Miocene Proboscidia from Baluchistan — 

 R. I. Pocock : The External Characters of Scarturus and other 

 Jerboas compared with those of Zapus and Pedetes. 



Royal Photographic Society of Great Britain, at 7. — T. Thome 

 Baker- and L. F. Davidson : Spectroscopic Measurements of the 

 Hydrogen Ion Concentration Colour Changes in Recent Indicators — 

 K. CD. Hickman : The Dyeing of Silver Iodide with Methylene Bliie, 

 including :— (a) A Method of measuring Small Quantities of Methy- 

 lene Blue occluded by Silver Iodide Precipitate ; (b) The Tanning of 

 Gelatine by Development Action and its Influence on the Process of 

 Dyeing.— E. K Turner and C. D. Hallam : The Function of the Flash 

 Exposure m Three-colour Work. (Experiments in half tone, 3rd 

 series.)— A. C. Banfleld : The Trist Three-colour Exposure Camera. 



Royal Anthropological Institute, at 8.15. — Dr. B. Malinowski • 

 Theory and Practice of Witchcraft in Eastern New Guinea 



Sociological Society (at 65 Belgrave Road, S.W.l), at 8 15 — 

 E. Betham : The National Housing Policy : A Common Sense View. 



WEDNESDAY, Mat 24. 

 LiNNEAN Society op London, at 3.— Anniversary Meeting 

 Royal Institution op Great Britain, at 3. — Very Rev Dr W R 

 Inge : Theocracy (1). Theocracies in General. • • . . 



NO. 2742, VOL. 109] 



Geological Society of London, at 5.30. 



Royal society of Arts, at 8.— G. Fletcher : The Natural Power 

 Resources of Ireland. 



Fellowship op Medicine (at Royal Society of Medicine), at 5.— Sir 

 St. Clair Thomson : The Surgical Anatomy of the Nose and Acces- 

 sory Sinuses. 



THURSDAY, Mat 25. 



ROTAL Society, at A.30.— Probable Papers.— Viof. C. H. Lees : The 

 Thermal Stresses m Solid and in Hollow Circular Cylinders concentric- 

 ally heated.— B. F. J. Bchonland : The Scattering of ^ Particles.- 

 N. K. Adam :. The Properties and Molecular Structure of Thin Films. 

 Part II. Condensed Fihns. Part III. Expanded Films. — E. Wilson : 

 The Susceptibility of Feebly Magnetic Bodies as affected by Com- 

 pression. — S. F. Grace : Free Motion of a Sphere in a Rotathig Liquid 

 parallel to the Axis of Rotation. 



Institution op Mining and Metallurgy (Special General Meeting) 

 (at Geological Society), at 5.30.— H. R. Sleeman : The Re-esteblish- 

 ment of the Gold-basis of Currency. 



Institution op Electrical Engineers, at 6. — Annual General 

 Meeting. 



Royal Microscopical Society (Metallurgical Section), at 7.30.— 

 L. S. Ward : Notes on Etching and Etching Re-agents. 



Illuminating Engineering Society (Annual Meeting) (at Royal 

 Society of Arts), at 8. — Report of Council ; — ^at 8.30. — Sir John Herbert 

 Parsons : Presidential Address. 



Royal Society op Medicine (Urology Section) (Annual General 

 Meeting), at 8.30.— Prof. P. Hobday : Urinary Calculi in Animals.— 

 K. Walker : The Genital System of the Rhinoceros. 



FRIDAY, MAT 26. 

 Royal Societt of Arts (Indian Section), at 4.30.— Sir Thomas W- 



Arnold : Indian Painting and Muhammadan Culture (Sir George 



Birdwood Memorial Lecture). 

 Physical Society of London (at Imperial College of Science and 



Technology), at 5.— Dr. F. W. Aston : Atomic Weights and Isotopes 



(Lecture). 

 Royal Society of Medicine (Study of Disease in Children Section) 



(Annual General Meeting), at 5. 

 Royal Society of Medicine (Epidemiology and State Medicine 



Section), at 8. — Dr. R. Dudfield : Reforms needed in the Notification 



of Tuberculosis. 

 Royal Institution of Great Britain, at 9. — Prof. W. E. Dalby : 



The Internal Combustion Engine : Its Infiuence and its Problems. 



SATURDAY, MAY 27. 

 Royal Institution of Great Britain, at 3. — Sir Hugh Allen :] Early 

 Keyboard Music (1). 



PUBLIC LECTURES. 



£ l(,A number in'Jrraclcets indicates the number ^of a lecture in a series.) 



FRIDAY, MAY 19. 

 London School of Economics, at 5. — Dr.' P. Giles : Modern Views of 



Indo-European Origins (2). 

 Universitt College, at 5.15. — A. E. M. van der Meersch : Simplified 



Solutions for B.M. and S.F. Values for Rolling Loads '(2) ;— at 5.30. 



— Prof. W. R. Shepherd : The Expansion of European Civilisation 



(3). 

 BiRKBECK College, at 6. — Dr. E. J. Russell : Recent Work with 



regard to the Influence of Soil Conditions on Agriculture (2). 

 Gresham College, at 6. — Sir Robert Armstrong-Jones : Physic (4) 



(Gresham Lectures). 



MONDAY, MAY 22. 

 Royal Society of Medicine, at 5. — Prof. F. Widal : Anti-anaphy- 



laxie (in French). 

 King's College, at 5.30. — Prof. F. H. Edgeworth : The Development 



of the Head Muscles of Vertebrates (1). 



TUESDAY, May 23. 



University College, at 5. — Sir Arthur Shipley : Insects and Disease 

 (4). 



King's College, at 5.30.— Prof. H. Wildon Carr : The Principle and 

 Method of Hegel (4). The Concrete Universal. — Prof. F. H. Edge- 

 worth : The Development of the Head Muscles of Vertebrates (2). 



WEDNESDAY, MAY 24. 

 King's College, at 4.— Dr. A. Harker : Tertiary Igneous Action in 



Britain (2).— Prof. F. H. Edgeworth : The Development of the Head 



Muscles of Vertebrates (3). 

 School of Oriental Studies, at 5. — Dr. R. A. Nicholson : The Idea 



of Personality in Sufism (2). 

 University College, at 5.15. — Dr. D. H. Scott : The Early History 



of the Land Flora (5). 



THURSDAY, MAY 25. 



Chelsea Physic Garden, at 5. — E. A. Bowles : Superstitions of Early 

 Herbalists : particularly the Doctrine of Signatures, illustrated by 

 Living Plants (Chadwick Lecture). 



St. Mary's Hospital (Institute of Pathology and Research), at 5. — 

 Prof. E. H. Starling : Some New Experiments on the Kidney. , 



Royal Society of Medicine, at 5. — Prof. H. Vaquez : De I'Ery- 

 thr^mie (Maladie de Vaquez- Osier) (in French). 



King's College, at 5.30. — Prof. F. H. Edgeworth : The Development 

 of the Head Muscles of Vertebrates (4). 



University College, at 5.30 — Prof. W. R. Shepherd : The Expan- 

 sion of European Civilisation (4). 



FRIDAY, MAT 26. 

 BIRKBECK College, at 6. — Dr. E. J. Russell: Recent Work with 

 regard to the Infiuence of Soil Conditions on Agriculture (3). 



