796 



NA TURE 



December 9, 1922 



geny of the Caryophyllacea?. The last stages of the 

 development of the embryo in Sagina procitmbens. — 

 P. Bugnon : The vascular differentiation for the leaf 

 traces in Mercurialis annua. — Joseph Bouget : The 

 variations of coloration of flowers realised experi- 

 mentally at high altitudes. — G. L. Funke : Supple- 

 mentary summer shoots (trees and shrubs). — St. 

 Jonesco : The anthocyanic pigments and phloba- 

 tanins in plants. — L. Berger : The existence of 

 sympathicotropic glands in the human ovary and 

 testicle : their relations with the interstitial gland 

 of the testicle. — A. Pezard and F. Caridroit : Sex- 

 linked heredity in the Gallinaceae. Interpretation 

 based on the existence of the neutral form and the 

 properties of the ovarian hormone. — Alphonse Labbe : 

 The distribution of the animals of the salt marshes 

 with respect to the concentration of hydrogen ions. 

 ■ — Edouard Chatton and Andre Lwoff : The evolution 

 of the infusoria of the Lamellibranchs. The genus 

 Pelecyophrya, intermediate between Hypocoma and 

 Sphenophrya. — Mme. M. Phisalix : The hedgehog 

 and virus of rabies. The hedgehog has remarkable 

 powers of defence against rabies : it attenuates or, 

 in some cases, destroys the virus. 



Official Publications Received. 



Report, on the Administration of tin- Meteorological Department of 

 tlie Government of India in 1921-22. Pp. 14. (Simla: Government 

 Central Press.) 4 annas. 



Imperial Department of Agriculture lor the West Indies. Sugar- 

 cane Experiments in the Leeward Islands : Report on Experiments 

 with Varieties of Sugar-Cane conducted in Antigua, St. Kitts-Nevis, 

 and Montserrat in the Season 1020-21. Pp. ii+43. (Barbados.) Is. 



Livingstone College. Annual Report and Statement of Accounts 

 for the Year 1021-22. Pp.24. (Leyton, E.10.) 



The National Institute of Agricultural Botany. Third Report and 

 Accounts, 1021-1022. Pp. 20. (Cambridge.) 



THURSDAY, December 14. 



Diary of Societies. 



SATVKDA )'. DECEMBER a. 



MONDAY, December 11. 



ROTAI Society of Arts, at 8.— Prof. W. A. Bone : Brown Coal and 

 Lignites (Cantor Lecture). 



Surveyors' Institution, at 8. — Major E. Meacher : Food Production 

 during the War. — H. Herman: The Agricultural Position and the 

 l'""il>i]it\ Ml stimulating Economic Production in the Future. 



Royal GEOGRAPHICAL Society (at .Lulian Hall), at 8.30. — Prof. J. W. 

 Gregory: The Alps of Chinese Tibet and their Geographical Rela- 

 tionships. 



TUESDAY, December 12. 



Institution of Petroleum Technologists (at Royal Society of 



Arts), at 5. 

 Institute of Marine Engineers, Int., :it c,.:;o,— Eng.-Capt. J. A. 



Richards : Manufacture of Solid Drawn steel Tubes. 

 Royal Photo. ih.yi'Hic Society ok great Britain (Technical Meeting), 



at 7. LS Newman: Description of the " N.S." Kinematograph 



' ra, with -picial Inference toanElectricDrivi hi G I Higsm, 



—(apt, H. Kiall Sankey : 

 Man (Presidential Address). 

 iscopical Club, at. 7.30. — Dr. C. Singer : The Early 



Jl 



ments and Modern Requirements in Strcct-Lightlicr. 

 Mi. iologicaL Soi IETY (at I i p]a\ ll.iusc. ().", I'm Ijiavr Ruad), at 8.1.5. 

 — H. W. Nevinson : Life in Bankrupt Vienna. 



WEDNESDA Y. December 13. 



Institution OF AUTOMOBIl.i I.MiiM i i> lat Institution of Mechanical 

 Engineers), at 7.45. — I,t.-Col. P. 11. Johnson : Improvements in the 

 ai . ni Roadless Vehicles. 

 Royai Society oi irts, at 8, Sir Sidney F. Harmer : The Fading 



nl Museum Specimens. 



eiphonia, 

 London Mi 



at .-..— I'n 

 Integral I 



5. — W. O. Howarth : The Occurrence 

 bra in Britain.— H. W. Pugsley : A 

 •. Lily Batten The Genus Poly- 



c (at Rnvil' Astniiii.iu'ica'l Society). 



of 



n.mh 



The Rational Pi 



I .1. E. I.ittlrw.i.id : 

 Nnmerorum. V. : A Further Contribu- 

 Idbach's Problem.— A. E. .lolliffe : (i.) 

 Cubic Curves; (ii.) The Inflexions and 

 • Twtf-cusped Quartic— T. Stuart: (i.) 

 orations of — 



.r,*-.r.'+.r.,'-fjV = 2A , c J . 

 (ii.) The Factors of 2"* — 1, 2>° 9 -l. — E. C. Titchmarsh: An Ex- 

 I. in- inn in i s.-ries i.f P.essel Functions. — Prof. G. N. Watson: 

 The Theorems of Clausen and Cavlev on Products of 1 1 v pergeometric 

 Functions. 

 Institution of electrical Engineers, at 6. — J. Caldwell: Electric 



Arc Welding Apparatus and Eqiiii nt 



optical Society (at Imperial College oi Science and Technology), 

 at7.30 -T.Smith: I Large \p.-i t ui I . '.- n a . ..rrccted for Colour. 

 — T.Smith: The Optical Cosini Law. In .1 - Inderson : Demon- 

 stration of the M.-a-uic nt ..I the Internal Diameters of Trans- 



parent Tubes, and a Simple Differential Refrai tometer tor Liquids. — 



E. R. Watte and -mi Ltd : Inhibition and l>i— ■ ii|.Ti a 



Constant I'.ulilile [ una ltd t... I in 1. ngth b\ ih.iug ^ of temperature). 



Soi IETY FOR CnNSTRCiTlVE BESTH CONTROL LND RA01AX PROGRESS 



cil !...■■.. II. ill. I,..r\ street), at - .-- -Dr ..lam- Hawthorne: Birth 



Control as it affects the Working Mother, to be followed by a 



discussion. 

 Chemical Society (at Institution of Mechanical Engineers), at 8. — 



Prof. C. H. Desch : The Metallurgical Applications of Physical 



Chemistry. 

 Institute of Metals (London Section) and Institution of British 



FOUNDRYMEN (at Institute of Marine Engineers), at 8. — Dr. P. 



Longmuir : Brass Foundry Practice. 

 Camera Club, at 8.15. — W. Sanderson : Florence and some Cities of 



the Etruscan League. 



FRIDAY, December 15. 

 Royal Society of Arts (Indian Section), at 4.30. — Commissioner 



F. dc L. Booth Tucker : The Settlements of ( riininal Tribes in India. 

 Institution of Mechanical Engineers, at 6. — G. Lumley : Reclama- 

 tion Plant and its Operation. 



Junior Institution oi Engineers, at 7.30. — W. T. Marchmont: 

 Notes on Printing Machinery. 



SATURDAY, December 16. 



British Ecological Society (Annual Meeting) (at University College), 

 at 10.30 a.m. — Dr. R. Lloyd Praeger : Dispersal and Distribution 

 ( Presidential Address).— Dr. Cockayne's Work on the Tussock Grass- 

 land of New /calami (Lantern and Specimens).-—.!. RanisLottotu 

 The Mycology of the Soil.— W. H. Pearsall : Plant Distribution 

 and Basic Ratios. 



British Psychological Society (Annual General Meeting) (at Uni- 

 versity College), at 3. — S. J. F. Philpott : The Analysis of the Work 

 Curve. — H. Gordon : Hand and Ear Tests. 



PUBLIC LECTURES. 



SATURDAY, December 0. 

 HciRNiMAN MUSEUM (Forest Hill), at 3.30. — Miss M. A. Murray : 

 Ancient Egypt and the Bible.; 



MONDAY, December 11. 

 Royal College of Surgeons of England, at 4.— F. W. Twoit : 



The Nature of Ultra-microscopic Viruses. (Succeeding Lectures 

 on December 12, 15, 18, and 10.) 

 city of London V.M.c. \. (1st; Aldersgate strict), at Ii. — Sir Robert 

 Armstrong-Jones : Fatigue and how to Combat it, for the City 

 Worker. 



TUESDAY, December 12. 



IMPERIAL College of Science and Technology, at 5.30.— Prof. T. J. 

 Jehu: Fossils and What They Teach (Swiney Lectures). (Succeeding 

 Lectures on Tuesdays. Thursdays, and Fridays —12 in all.) 



Institute of Industrial Administration (at London School of 



Li in Tics), at 8. — It. Twelvetrees : Standardisation of Repairs in 



Relation to Industrial Economy (to be followed by a Discussion). 



WEDNESDA Y, DECEMBER 13. 

 Royal Institute of Public Health, at 4. — Dr. 0. W. Saleeby : 

 Sunlight and Childhood. 



THURSDAY, DECEMBER 14. 

 Loyal cm i i i.i iii si ii. 1'oxs of England, at 5. — W. G. Spencer: 



Vesalius and his Delineation of the Framework of the Human Body 



(Tl as Vicary Lecture). 



Royal society of Medicine, at 5.15. — Sir Arthur Newsholme : 



Relative Values in Public Health; (2) Degrees of Preventability of 



Disease, etc. 

 University College, at 5.30. — Prof. T. Okey: Carducci. 

 Central Library. Fulham, at 8. — F. T. Roche: The Influence of 



Finance on Indus! rj . 



SATURDAY, December 16. 



NO. 277I, VOL. I IO] 



