CONTENTS of N° 245.— Fourth Series. 



LI. On the Communication of Vibration from a Vibrating Body to 

 a surrounding Gas. By G. G. Stokes, M.A., D.C.L., Sec. R.S., 

 Fellow of Pembroke College, and Lucasian Professor of Mathematics 

 in the University of Cambridge vage 401 



LII. Notes on the Chemical Geology of the Gold-fields of Cali- 

 fornia. By J. Arthur Phillips 422 



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

 son, Ph.D., F.C.S , 433 



LIV. On the Relation of Mechanical Strain of Iron to Magneto- 

 electric Induction. By G. Gore, Esq., F.R.S 446 



LV. On the Bearing of Recent Observations upon Solar Physics. 

 By G. Johnstone Stoney, M.A., F.R.S. , &c 447 



LVI. On the Action of Sodium on Valerianic Ether. By J. Alfred 

 Wanklyn, Professor of Chemistry in the London Institution 454 



LVII. On Successive Involutes to Circles. — Second Note. By J. 

 J. Sylvester. (With a Plate.) 459 



LVIII. Notices respecting New Books : — The Elements of Plane 

 Geometry for the use of Schools and Colleges. By Richard P. 

 Wright, formerly Teacher of Geometrical Drawing &c. in Queen- 

 wood College, Hampshire. With a Preface by T. Archer Hirst, 

 F.R.S. &c, Professor of Mathematics in University College, London. 467 



LIX. Intelligence and Miscellaneous Articles : — 



On the Conductivity of some Liquids for Heat, by A. Paalzow. . 469 

 Molecular Change produced by Magnetism in Steel Bars, by M. 

 Treves 471 



Index 473 



With Title-page, Contents, &c. 



*** 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. 



