1922] General Monthly Meeting 523 



William Bulloch, M.D. LL.D. F.R.S., Prof, of Bacteriology, University 

 ■of London. Two Lectures on Tyndall's Biological Researches and 

 The Foundations of Bacteriology. (The Tyndall Lectures.) On Tuesdays 

 May 16, 23. 



Sir Percy Sykes, K.C.I.E. C.B. C.M.G. Two Lectures on 1. Twenty- 

 Five Years' Travel in Persia; 2. The Foundation op the Persian 

 Empire. On Tuesdays, May 30, June 6. 



Edwin H. Barton, D.Sc. F.R.S., Prof, of Experimental Physics, University 

 College, Nottingham. Two Lectures on Audition and Colour Vision : 

 1. The Resonance Theory of Audition ; 2. A Syntonic Hypothesis of 

 Colour Vision. On Thursdays, April 27, May 4. 



Frederick Keeble, O.B.E. Sc.D. F.R.S., Prof, of Botany and Fellow of 

 Magdalen College, Oxford. Two Lectures on Plant Sensitiveness : 1. To 

 Light ; 2. To Contact and to Chemical Stimulation. On Thursdays, 

 May 11, 18. 



The Very Rev. William Ralph Inge, D.D., Dean of St. Paul's. Three 

 Lectures on Theocracy : 1. Theocracies in General ; 2. The Mediaeval 

 Idea; 3. The State Invisible. On Wednesday, May 24, Thursdays, 

 June 1, 8. 



Professor D. H. MacGregor, M.A. M.C., Prof, of Political Economy, 

 University of Oxford. Two Lectures on Industrial Relationship : 1. The 

 Historical Interpretation ; 2. The Problem of Structure. On 

 Wednesday, April 26, Saturday, May 6. 



0. W. Richardson, D.Sc. F.R.S., Prof, of Physics, King's College, London. 

 Two Lectures on The Disappearing Gap between the X-Ray and Ultra- 

 violet Spectra : 1. Grating Results ; 2. Photo-Electric Methods. 

 On Saturdays, May 13, 20. 



Sir Hugh Allen, M.A. Mus.Doc, Director of Royal College of Music. 

 Three Lectures (with Musical Illustrations by Harold Samuel) on Early 

 Xeyboard Music. On Saturdays, May 27, June 3, 10. 



The Pkesents received since the last Meeting were laid on the 

 table, [and the thanks of the Members returned for the same, viz. : — 



FROM 



The Secretary of State for India — Agricultural Journal of India, Vol. XVII. 

 ~ No. 1. 8vo. 1922. 

 American Philosophical Society — Proceedings, Vol. LX. No. 2. 8vo. 1921. 

 Bankers, Institute of— Journal, Vol. XLIII. Part 3. 8vo. 1922. 

 Beck, Conrad, Esq. (The Author) — The Microscope. 8vo. 1921. 

 Botanic Society, Royal — Quarterly Summary, Jan. 1922. 8vo. 

 British Architects, Boyal Institute of— Journal, Third Series, Vol. XXIX. 



Nos. 7-8. 4to. 1922. 

 British Astronomical Association — Journal, Vol. XXXII. No. 4. Svo. 1922. 

 British Dental Association— Journal, Vol. XLIII. Nos. 3-5. 8vo. 1922. 

 Cambridge Philosophical Society— -Proceedings, Vol. XXI. Part 1. Svo. 1922. 

 Chemical Industry, Society of — Journal, Feb. 1922. Svo. 

 Chemical Society — Journal and Proceedings, Feb. 1922. Svo. 

 Chemistry, Institute of — Journal and Proceedings, 1922, Part 1. Svo. 



Applications of Chemistry to Crop Production. By E. J. Russell. Svo. 



1922. 

 Cleveland Technical Institute— Bulletin, Vol. I. Nos. 4-5. 8vo. 1922. 

 Dale, H. B., Esq. (The Author)— Landmarks in Armenian History. Svo. 1922. 

 Dunk, J. L., Esq. (The Author)— Hyperacoustics : Division II. Successive 



Tonality. 8vo. 1921. 



