i r 
CONTENTS. 
AUGUST, 1813; 
Engravings of the following subjects : 1. Diagrams to illustrate the Theory 
of Tides. 2. Figures to explain th» Theory of Galvanism. 
I. —- A Theory of the Tides, including the Consideration of Resistance. By 
a Correspondent E. F. G. H. (Concluded from page 159.) - 217 
II. — Meteorological Journal. - - - 238 
III. -*-On common Ink for writing. By Dr. Bancroft, F. R. S. &c. From 
his researches into Permanent Colours. With additional Remarks, 230 
IV. — Observations on the fall of Stones from the Air, or Aerolites. By M. 
Marcel de Serres. - - - 228 
V. — Report upon a Memoir of M. Bernard, relating to the physical and 
chemical Properties of the different rays which compose the solar Light. 
By Messrs. Berthollet, Chaptal, and Biot, by Commission from the 
National Institute of France. - - - - 250 
VI. — On the Theories of Excitement of Galvanic Electricity 3 by William 
Henry, M. D. F. R. S. &c. - 259 
VII. — Enquiries concerning the mutual Decomposition of soluble and 
insoluble Salts. By M. Dulong. - - - 27 1 
VIII. — A Memoir on the Specific Heat of the Gases. By Messrs. F. 
Delaroche and Berard : to which the prize proposed by the Class of 
Mathematics and Natural Philosophy of the Institute of France, proposed 
in 181 1, have been awarded. Abstracted by the authors. - - 381 
Scientific News. - 28$ 
