November 24, 1921] 



NATURE 



423 



an Attempt to Determine the Atmospheric Constant of 

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Agricultural Directorate : Ministn,- of Interior, 

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Transactions of the Royal Society of Edinburgh. 

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Biologische Gesetze in ihren Beziehungen zur All- 

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Life : How It Comes. .\ Child's Book of Elemen- 

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Report on the Economic and Natural Features of 

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Einstein the Searcher : His Work explained from 

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Observations made at the Royal Magnetical and 

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NO. 2717. VOL. 108] 



Recalculated Monthly Values of the \ ertical Com- 

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Virgil in Relation to the Place of Rome in the 

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Diary of Societies. 



THURSDAY, Xovmbek 24. 



RoTiL Society, at 4. — Special General Meeting to consider the 

 Annual Report of Conncil. At 4.30.— K. Sassa : (1) Ob- 

 servations on Reflex Responses to the Rhythmical Stimn- 

 lation in the Frog. {•2> The Effects of Constant GalTsnic 

 Cnnrents upon the Mammalian Nerre-mnscle and Reflex Prepara- 

 tions. — E. Ponder : The Haemolytic Action of Sodium Glycholate. 

 — Dorothy J. Lloyd and C. Mayes : The Titration Curre of 

 Gelatine. — D. H. de Sousa and J. A. Hewitt : Idio- Ventricular 

 Periodicity. 



CHiLD-SrrDT SociETT fat Royal Sanitary Institute), at 6. — Dr. C. 

 Hay-Murray : Phrenology as an Aid to Education. 



IssTiiriiox OF LocoiioiiTE Engixeebs (London! fat Carton Hall'i . 

 at 7.15. — A. E. KyflSn : Axleboses and Hornblocks. 



CoxcBETX IxstiTrTE," at 7.30. — E. F. Etchells : Presidential Ad- 

 dress. 



Optical Societt (at Imperial College of Science and Technology . 

 at 7.30. — Prof. F. J. Cheshire : Polarising Apparatus. 



IXTEHXAiioxAi. COLLEGE OF Chbomaiics (at Caxton Hall), at S. — 

 Dr. A. C. D. Crommelin : Colour and the Stars. 



C-AMEKi CtrB (at 17 John Street. W.C.2>. at 8.15.— Miss Ohv - 

 Eddis : A Colour Photography Trip in Canada. 



RoTAL Society of Medicixe (Urology Section), at 8.30. — Discus- 

 sion on Renal Function Tests.— Sftorf Opening Papers by .1. .J. 

 ETeridge. J. S. Jolv. J. B. Macalpine. Dr. ^facLean and C. 

 Xitch, Dr. M. Wallis and G. Ball. To be followed by Sir 

 Cuthbert Wallace. Dr. L. Brown. F. Kidd. Dr. Marraek. G. E. 

 Neligan, A. E Webb-Johnson, and A. C. Morson. 



Society of Axtiquakies, at 8.30. 



FRIDAY, XoTESiBEB 25. 



RoTAi Societt of Abis (Dominion and Colonies and Indian Sec- 

 tions. Joint Meeting), at 4.30. — A. H. Ashbolt : An Imperiaf 

 Airship Service. 



Physical Society of Loxbox (at Imperial College of Science and 

 Technology), at 5. — Discussion on Hygrometry. — Dr. E. Griffiths : 

 Some Modified Forms of Hvgrometers. — F. J. W. Whipple : 

 The Theory of the Hair Hygrometer.— F. J. W. Whipple : The 

 Rationale " of Glaisher's System of Hygrometry. — Principal 

 Skinner : The Wet and Dry Bulb Hygrometer.— W. Watts : 

 Determination of the Proper Constant in Apjohn's Formula for 

 t'se in Aeroplanes. — H. G. Mayo and Prof. A M. Tyndall : A 

 Xew Form of .Absorption Hvgrometer. — Prof. A. M. Tyndall 

 and Prof. A. P. Chattock : " A Thermal Hvgrometer. To be 

 followed bv Sir Xanier Shaw, Sir Richard Glasebrook. W. B. 

 Hardv, Dr". G. C. Simpson. R. Corless. W. J. Hall. Dr. J. S. 

 Anderson, Dr. 6. Barr, W. H. Withey. and Dr. G. W. C. Kaye. 



Royal Society of Medicixe (Study , of Disease in Children Sec- 

 tion), at 5. — Miss Eva Morton: Report on a Fatal Case of 

 Bullous Eruption. 



Electbical Poweb Exgixeebs' .\ssociaiiox fSonthern Division) (at 

 Central Hall, Westminsterl, at 7. — A. W. Bennis : Some Notes on 

 Boiler House Plant. 



IxsTiTmox OF Pbobccttox Exgixeebs (at Institution of Mechani- 

 cal Engineers), at 7.30. — A. F. Onyler : Drawings and Pro- 

 duction. 



JrxioB IxsiTTrtiox of Exgtxekbs. at 8. — 6. F. Shotter : Electro- 

 magnetic Instruments : Problems in their Design and Con- 

 struction. 



