Fourth Series. Vol. 4 : No. 4. 



MEMOIRS AND PROCEEDINGS 



OF 



THE MANCHESTER 



LITERARY & PHILOSOPHICAL 



SOCIETY. 



1890-91, 



CONTENTS. 



Proceedings pp. 222, 230 



Microscopical and Natural History Section - _ pp. 221, 314 



Physical and Mathematical Section - . . - - p.' 216 

 Memoirs : — 



A new Symbolic Treatment of the Old Logic. By Joseph 

 John Murphy. Communicated by the Rev. Robert 

 Harley, M.A., F.R.S., Corresponding Member - p. 201 

 On the Source of some remarkable Boulders in the Isle 

 of Man. By Percy F. Kendall, F.G.S. Communi- 

 cated by Thomas Kay p. 217 



On Two Harmonic Analyzers. By Osborne Reynolds, 

 LL.D., F.R.S., M.Inst. C.E., Professor of En- 

 gineering, the Owens College p. 223 



Thoughts on Credit Money, and on the Function of 

 the Precious Metals as Distributors of Wealth. By 

 F. J. Faraday, F.L.S., F.S.S. - - - p. 232 

 On the action of different Metals, Metallic Salts, Acids, 

 and Oxidising Agents on India-rubber. By William 

 Thomson, F.R.S. Ed., etc., and Frederick Lewis - p. 266 

 Notes on the Geological section exposed in the Railway 

 Cutting from Levenshulme to Fallowfield. By Wm. 

 Brockbank, F.G.S., F.L.S., and C. E. de Ranee, 

 Assoc. Inst. C.E., F.G.S., F.R.G.S., F.R.M.S.,of 

 H.M. Geological Survey. With Plate in three sections - p. 282 

 On New Forms of Stereometers. By W. W. Haldane 

 Gee, B.Sc. F.C.S., and Arthur Harden, M.Sc, 

 P^-^- p. 301 



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