Dec. 12, 1878] 



NATURE 



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DIARY OF SOCIETIES. 



London 



THURSDAY. December 12. 



Royal Society, at 8.30. — On the Flow of Water in Unifoiro rt'gitne in 

 Rivers and other Open Channels : Prof. James Thomson, F.R.S. — On the 

 Magic Mirror of Japan : Professors Ajrrton and Perrj-. — On the Torsitnal 

 Strain v/hich remains in a Glass Fibre after release from Twisting Stress : 

 Dr. Hopkinson, F.R.S. — Note, in [^Ccrrecnon cf an Error in his Paper, 

 Kctes en Physical Geology, No. V.: Rev. Dr. Haughton, F.R.S. — 

 Measurements of Electrical Constants, Xo. II. : J. E. H. Gordon. — Pre- 

 limirarj' Note on the Compound Nature of the Chemical Elements: J. N. 

 Lockyer, F.R.S. 



Society of Antiql'arie?, at 8.30. — Discoveries in the Church of Ste. 

 Marie du Castel, Guernsey : Edgar MacCulIcch, F. S. A. — A Mithrasum at 

 Spoleto: H. C. Coote. F.S.A. 



London IssTrrLTioN, at 7. — Wingless Birds, Fossil and L:\-ing : Prcf. 

 Flower. 



Society of Arts, at 8. — Chemical Section. 



Mathematical Society, at 8. — On Motion : H. Perigal. — On Fonns 

 of Numbers determined by Continued Fractions: S. Roberts, F.R.S. — 

 On a Graphic Construction of the Powers of a Linear Substitution : 

 Prince Camilla de Polignac. 



SATURDAY, December 14. 



Physical Society, at 3. — On a Condenser of Variable Capacity : C. Boys. 

 — On a D Jierential Air Thermometer : Dr. O. J. Lodge. 

 SUNDAY, December 15. 



Sunday Lecture Society, at a. — SociaLsm: Miss Helen Tay!:r. 

 MONDAY, December 16. 



LoNDO:; Institution, at 5. — The Formation of the Alps : Prof. J. W. Judi. 



Society OF Arts, at S. — Mathematical Instruments: W. M. Williams. 



Medical Society, at 8.30. 



TUESDAY, Dece-Mber 17. 



Statistical Society, at 7.45. — Reports on the Demographic Congress, 

 the International Statistical Congress, and the International Penitentiary 

 Congress: Dr. Mcuat. — Discussion on the Best Form of Statistical Annual 

 for International Purpcses. 



WEDNESDAY, December 18. 



Meteorological Society, at 7. — Abstract of the Meteorology of the 

 Bomtay Presidency : C. Chambers, F.R.S. Communicated by Sir G. B. 

 Airy, K.C.B., F.R.S., Astronomer-Royal. — Experiments with Lowne's 

 Anemometer: Capt. William Watson, F.M.S. — Meteorology of Bangkok, 

 Siam : J. Campbell, Staff-Surgeon, R.N. — Results of Meteorological Ob- 

 servations, taken at Calvinia, South Africa : Kaufmann I. ilarks, F.M.S. 



Geological Society, at 8. — On Remains of Mastodon and other Vertebrata 

 of the Miocene Beds of the Maltese Islands: Prof. A. Leith Adams, 

 F.R.S. — Dinosauria of the Cambndge Greensand, Parts i-< : P*rof. H. G. 

 Seeley, F.L S. 



Society of Arts, at 8.— Science Teaching in Elementary Schools: Dr. J. 

 H. Gladstone. 



Royal Society of Literature, at 8.— On the Ogham and Mushiggar 

 Character : Capt. R. F. Bunon. 



Croydon Microscopical Cluu, at 8.30. 



THURSDAY, December 19. 



Royal Society, at 8.30. 



London Institutio.v, at 7. — The Abuse of Books : Frederick Harrison. 



LiKNE.^N Society, at 8. — Note en South African Orchids: W. Mansell 

 Weale. 



Cke.mical Society, at 8. — Researches on the Action of the Copper-Zirc 

 Couple en Organic Compounds : Dr. Gladstone and Mr. Tribe. — On the 



• Formula of Glyoxylic Acid : Dr. Debus. — On the Production of Oxides of 

 Nitrogen by the Electric Arc in Air: T. Wills.— On Baric Periodate: 

 S. Siguira and C. F. Cross. — On Erbium and Yttrium. — Dr. Humpidge 

 an d Mr. Bumey. 



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