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I. On Polyzonal Curves, otherwise the Curves VtJ+ VV+ &c. =0. By Pro- 

 fessor Cayley. Communicated by Professor Tait. 



II. On the Motion, Equilibrium, and Forms of Liquid Films. By the late Sir 

 David Brewster, K.H., D.C.L., &c. (With two Plates.) Communicated by 

 Francis Deas, Esq., LL.B. 



III. On the Temperature of the Common Fowl (Gallus domesticus). By the late 

 Dr. John Davy, F.R.SS. Lond andEdinb. Communicated by Professor Allman. 



IV. On the Burning Mirrors of Archimedes, with some Propositions relating to 

 the Concentration of ^ight produced by Reflectors of different forms. By John 

 Scott, Esq., Tain. (With a Plate.) Communicated by Professor Kelland. 



V. On the Connexion between Chemical Constitution and Physiological Action. 



p ar t. I. On the Physiological Action of the Salts of the Ammonium Bases, 



derived from Strychnia, Brucia, Thebaia, Codeia, Morphia, and Nicotia. By 

 Dr. A. Crum Brown and Dr. Thomas R. Fraser. 



VI. On the Products of the Destructive Distillation of Animal Substances. 

 Part V. By Thomas Anderson, Professor of Chemistry in the University of 

 Glasgow. 



VII. On Vortex Motion. By Professor Sir W. Thomson. 



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No. 39, price 2s. 

 PROCEEDINGS OF THE METEOROLOGICAL SOCIETY. 

 Edited by JAMES GLAISHER, Esq., F.R.S. 

 Contents : — 

 On the Rainfall of Cobham and Chiswick. By G. Dines, Esq. 

 On an exceptionally Heavy Rainfall in the Colony of Natal in August 1868. 

 By R. J. Mann, Esq., M.D. 



November Meteors, 1868. Bv the Editor. 



A Journal of Natural Appearances and Occurrences m Farming from 1808 to 

 1868. By Henry Cox, Esq. 



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