i 



February 23, 1922] 



NATURE 



259 



s. — MM. Alezais and Peyron : The histogenesis 

 origin of the chordomes. — E. Burnet : A new 

 method of diagnosis of Mediterranean fever. The 

 test proposed is the intradermal reaction produced by 

 a drop of a broth-culture of Micrococcus melitensis. — 

 M. Leger and A. Baury : The shrew, Crocidura 

 Stampflii, and the plague in Senegal. This animal 

 has been proved to carry plague, and also fleas. Its 

 destruction should be carried out systematically along 

 •h the rat. 



Official Publications Received. 



Agricultural Research Institute, Pusa. Bulletin No. 123, 1921 : 

 The Bundelkhand Cottons : Experiment in their Improvement by 

 Pure Line Selection. By B. C. Burt and Nizamuddin Hyder. Pp. iv 

 +15. (Calcutta : Government Printing' OflSce, 1921.) 4 annas. 



Memoirs of the Department of Agriculture in India. Entomo- 

 loe-ical Series, Vol. 7. No. 6 : Life-Histories of Indian Insects. 

 Diptera : Sphryracephala Hearseiava, Westw. By S. K. Sen. Pp. ii 

 +33-38+plates 4 and 5. (Pusa : Agricultural Research Institute.) 

 12 annas; 1$. 



.\.nnals of the Transvaal Museum. Yol. 8. Part 3 : New South 

 African Heterooera. By L. B. Prout and A. E. Prout. Pp. 149-186. 

 (Cambridg-e : At the University Press.) 



Canada. Department of IMines : Mines Branch. Annual Report 

 on the Mineral Production of Canada during the Calendar Tear 

 1920. Pp. 80. (Ottawa.) 



Report of the Department of the Naval Service for the Fiscal 

 Tear ended March 31, 1921. (Sessional Paper No. SO: .A. 1922.) 

 Pp. 38. ^Ottawa.) 



The .Tournal of the Institute of Metals. Edited by G. SI aw .«'(,tt. 

 Vol. 26. Pp. x+760+34 plat«s. (London: Institute of Metals.) 

 31-?. 6d. net. 



Abridged Edition of Tide Tables for Vancouver and Psnd Heads. 

 B.C.. and Slack Water for First Narrows and Active Pass, with 

 Tidal Differences for the Strait of Georgia. Pp. 4.i. (Ottawa: 

 Tidal and Current Survev, Naval Service Department.) 



Memoirs of the Department of Agriculture in India. Chemical 

 Series. Vol. 6, No. 2 : The Kffect of Environmental Factors on the 

 Alkaloidal Content and Tield of Latex from the Opium Poppv 

 (Paparor Somniferum). and the Bearing of the Work on the 

 Functions of .\Ikaloids in Plant Life. Bv Dr. H. E. Annett. 

 Pp. ii+.59-l.i4. (Calcutta : Thacker. Spink and Co. ; London : W. 

 Thacker and Co.) 2 rupees; 2s. 9(2. 



Proceedings of the Rochester Academy of Science. Vol. 6, No. 2 : 

 Minerals in the Niagara Limestone of Western New Tork. Bv 

 A. W. Giles. Pp. .-)7-r2. Vol. 6. No. 3 : The Fun?i of our Common 

 Nnts and Pits. Bv C. E. Fairman. Pp. 73-115 -f- plates 15-20 

 (Rochester, N.T.) 



Uganda Protectorate : Annual Report of the Department of Agri- 

 culture for the Nine Months ended 31st December, 1920. Pp. 67. 

 (Kampala : Department of Agriculture.) 



Calendario della Basilica Pontiflcia del Santissimo Rosario in 

 Valle di Pompei Der I'Anno 1922. Pp. 240. (Valle di Pompei : 

 Scuola Tip. Pontiflcia.) 



Diary of Societies. 



THURSDAY. FEBRVABr 23. 



Ror*L Institctio.v of Great Buitaix, at 3.— Prof. A. G. Perkin : 

 Dyeing: Ancient and Modern (2). 



IxsTiTUTioN OF Electkical Enoineeks, at 3.30 and 8.— Meeting in 

 Commemoration of the First Meeting of the Society of Tele- 

 graph Engineers on February 28, 1872. 



Rotal Society, at 4.30.— C. D. Ellis : P-ray Spectra and 

 their Meaning.— Prof. A. E. Conrady : A Study of the 

 Balance.— Dr. J. S. Owens : Suspended Impurity in the Air.— 

 R. V. Southwell : The Free Transverse Vibrations of a Uniform 

 Circular Disc clamped at its Centre, and the Effects of 

 Rotation.— .\. E. Oxley : JIagnetism and Atomic Structure. 

 II. The Constitution of the Hydrogen-palladium System and 

 other similar Systems.— T. Carleman and Prof. G. H Hardy : 

 Fourier's Series and Analytic Functions —Prof. A. McAulay : 

 Multenions and Differential Invariants. II. and III. 



Rotal Society of Medicine (Balneology and Climatology Section), 

 •5+ 4.30— Dr R. L. J. Llewellyn and others : Discussion on The 

 'iology of Gout. 



iD-STinr Society (at Roval Sanitarv Institute, 90 Buckingham 

 I'.ilace Road, S.W.I), at 6.— A. E. Haves: Phonoscript. 



Iv.sTiTrTiov of Aeron-attical EyoiNEEBS (at Roval Society of 

 Arts), at 7.30.— Lt.-Col. Moore-Braba«on : The Early Days of 

 .\viation (Presidential Address). 



Concrete lysTiTiTE. at 7.30.— H. K. Dyson : What is the Use of 

 the Modular Ratio? 



RoTAi, Society of Medicine (Urology Section), at 8.30.— Prof. P. J. 

 Cammidge : The Souice of the Amylolytic Ferment of the Urine. 

 —Dr. O. A. Harrison : Glycosuria in Renal Disorders. 



FRIDAY, Febrvart 24. 



Amociatiov of Economic Biolooksts (in Botanical Lecture 



Theatre, Imperial College of Science and Technology), at 2.30 — 



Dr. J. Rennie : (a) The Present Position of Bee Disease Re- 



search ; (6) Demonstration of Polyhedral Disease in Tipula 

 Species. 



Royal Society of Arts (Joint Meeting of the Dominions and 

 Colonies and Indian Sections), at 4.30.— Prof. W. A. Bone: 

 Brown Coals and Lignites : Their Importance to the Empire. 



Royal Society of Medicine (Study of Disease in Children Sec- 

 tion), at 5.— Dr. C. P. Lapage and Dr. W. J. S. Bythell : Tonio 

 and Atonic Hearts in Children (with Radiographic Illustrations). 



Physical Society of London (at Imperial College of Science and 

 Technology), at 5— Dr. H. Levy: The Number of Radio-active 

 Transformations as Determined by Analysis of the Observations. — 

 Prof. C. H. Lees : \ Graphical Method of Treating Fresnel's 

 Pormulje for Reflection in Transparent Media.— Research Depart- 

 ment of the General Electric Co., Hammersmith : Demonstrations 

 of a Rapid Weighing Balance, and an Electrostatic Voltmeter.— 

 P. C. Dyche-Teague : Demonstration of the Physical Properties 

 of Cellactite. 



Royal Photoorafhic Society of Great Britain, at ".— H. Main : 

 A Pilgrimage to Provence. 



Institftion of Production Engineers (at Institution of Mechani- 

 cal Engineers), at 7.30.— G. W. Eastwood: Intensive Production 

 of Automobile Bodies. 



Junior Institution of Engineers, at 8.— Prof. E. G. Coker : Curved 

 Beams, Rings, and Chain Links. 



Royal Society of Medicine (Epidemiology and State Sfedicine Sec- 

 tion), at 8— Dr. Evelyn D. Brown: The Relation between 

 Puerperal Septiosemia " and other Infectious Diseases, with 

 Reference to the Admission of Maternity Cases into Isolation 

 Hospitals. 



Royal Institution of Great Britain, at 9. — Prof. J. Joly : The Age 

 of the Earth. 



.^.tri^RD.ir, February 25. 



Royal Institution of Great Britain, at 3.— Prof. E. A. Gardner : 

 Masterpieces of Greek Sculpture (2). 



MONDAY, February 27. 



Institute of Actuaries, at 5.— C. H. Maltby : Results of an Investi- 

 gation into the Effects of Different Valuation Bases upon Sur- 

 plus. 



Institution of Mechanical Engineers (Graduates* Association 

 Meeting), at 7.— Sir Henry Fowler: Metallurgy in Relation to 

 Mechanical Engineering. ^, , 



Royal Society of Arts, at 8 —Prof. A. F. C. Pollard : The Mechani- 

 cal Design of Scientific Instruments (Cantor Lecture) (2). 



Royal Society of Medicine (Odontology Section), at 8.— Clinical 

 Evening. 



Medical Society of London (at 11 Chandos Street, W.l). at 8.30.— 

 G. G. Turner. Sir Lenthal Cheatle, W. H. Clayton-Greene, W. 

 James, and W. G. Howarth : Discussion on The Treatment of 

 Tuberculous Glands. 



TUESDAY. February 28. 



Royal Institution of Great Britain, at 3 —Sir Arthur Keith : 

 Anthropology of the British Empire : Series 1 : Racial Problems 

 in Asia and Australasia (2). „n ^v t. t 



Royal Society of Medicine (Medicine Section), at 5.30.— Dr. E. I. 

 Spriggs and 0. A. Marxer : A Review of Sixty-one Cases seek- 

 ing Relief after Short-circuiting Operations. .„ „ „ 



Royal PHOTOGn*PHic Society of Great Britain, at < .— T. Bell : 

 Present-day Portraiture. , „ . .. r . i. x 



Illumin.atino Engineering Society (at Royal Society of Arts), 

 nt 8 — L. Gaster and others : Discussion on Industrial Lighting : 

 Ideal Requirements (legislative and otherwise) and Practical 



Royal Anthropological Institute, at 8.15.— Miss R. M. Fleming : 

 Sex and Growth Features in Racial Analysis. .. . , ^ 



Institution of Automobile Engineers (Informal Meeting) (at 

 Institution of Mechanical Engineers), at 8.30.— Demonstration 

 of, and Discussion on,' Various Recording Instruments used on 

 Motor Cars. 



WEDNESDAY, March 1. 



Newcomen Society (at Caxton Hall, Westminster), at 5.— R. 

 Toung : Timothv Hackworth and the Locomotive. 



Royal Society of Medicine (Surgerv Section), at 5.30.— Informal 

 Discussion on The Treatment of the Acute Obstruction resulting 

 from Carcinoma of the Colon. „ x- ^ x c 



Institution of Electrical Engineers (Wireless Section), at b.— 

 E. B. MouUin and L. B. Turner: The Thermionic Triode as 

 Rectifier. . ^ , , 



Royal Society of Arts, at 8.— E. Moor: The Duplex-ooupler 

 Pianoforte. „ , . 



Society of Public Analysts and Other Analytical Chemists (at 

 Chemical Societv), nt 8.— R. V. Wadsworth : The Theobromine 

 Content of Cacao Beans and Cocoa.— A. H. Bennett and F. K. 

 Donovan : The Determination of Aldehyde.o and Ketones bv 

 Moans of Hvdroxvlnmine.— R. E. Esserv : The Value of Fish 

 Scales as a Means of Identification of the Fish Used in Manu- 

 factured Products.— N. Evers and G. D. Elsdon : The Examina- 

 tion of B.P. Ointments. 



THURSDAY, March 2. 



Royal Institution of Great Britain, at 3.— Prof. H. M. Lefroy .- 

 The Menace of the Insect Pest : The Balance of Life in Relation 

 to Insect P*st Control (1). „ .„., 



Royal Society, at 4.3(\.—rrobiihIf. Paprm.—VTot. L. N. G. Filon 

 and H. T. Jessop : The Stress-optical Kffect in Transparent Solids 

 strained bevond the Elastic Limit.— W. E. Curtis : The Structure 

 of the Band Spectrum of Helium— S. Datta : The Spectrum of 

 Bervllium Fluoride.— W. G. Palmer: The Catalytic Activity of 



NO. 2730, VOL. 109] 



