﻿SUPPLEMENTARY NUMBER. 



CONTENTS. 



LXV. On the Temperature of the Flames of Carbonic Oxide and 



Hydrogen. By R. Bunsen. (With a Plate.) page 489 



LXVI. On the Solar Eclipse, August 1868. By G. Johnstone 



Stoney, M.A., F.R.S t 502 



LXVII. Chemical Notices from Foreign Journals. By E. Atkin- 

 son, Ph.D., F.C.S 506 



LXVIII. OntheAction of Sunlight on Glass. By ThomasGaffifld. 514 

 LXIX. On a new Electrical Phenomenon of Motion. By J. C. Pog- 



gendorff 533 



LXX. Notices respecting New Books : — The Earth's Motion of 

 Rotation, including the Theory of Precession and Nutation. By C. 

 H. H. Cheyne, M.A., of St. John's College, Cambridge. — Sun- views 

 of the Earth, or the Seasons Illustrated. By Richard A. Proctor, 



B.A., F.R.A.S 538-539 



LXXI. Proceedings of Learned Societies : — 



Royal Society : — Dr. A. W. Hofmann on Methylic Alde- 

 hyde ; Dr. J. Everett on Results of Observations of Atmo- 

 spheric Electricity at Kew Observatory, and at Windsor, Nova 

 Scotia ; Mr. J.H.N. Hennessey on a supposed Connexion be- 

 tween the Amount of Rainfall and theChanges of theMoon. 540-545 

 Geological Society : — Dr. H. Alleyne Nicholson on the 

 Graptolites of the Skiddaw Series ; Mr. P. Martin Duncan 

 on the Fossil Corals (Madreporaria) of the West Indian Islands; 

 Sir J. Lubbock on the Parallel Roads of Glen Roy ; Mr. C. 

 Collingwood on the Geological Features of the Northern 

 part of Formosa and the adjacent islands; and on some Sources 



of Coal in the Eastern Hemisphere 546-549 



LXXII. Intelligence and Miscellaneous Articles : — 



Electroscopic Notices, by Professor Poggendorff 549 



On the Relative Magnitude of Molecules, by Dr. Alexander Nau- 



mann 551 



On the Polarization of the Electrodes, by M. J. M. Gaugain . . 553 

 Index 555 



With Title-page, Contents,-j&c. 



" 4J 5 K 



%* It is requested that all Communications for this Work may be addressed, 

 post-paid, to the Care of Messrs. Taylor and Francis, Printing Office, Red 

 Lion Court, Fleet Street, London. 



