CONTENTS. XV 



Page 

 Mr. William Newmarch on the Emigration of the last Ten Years from the 



United Kingdom , and from France and Germany 183 



Mr. William Pare on "Equitable Villages" in America 183 



Lieut.-Gen. Sir C. Pasley on a Plan for Simplifying and Improving the 

 Measures, Weights and Monies of this Country, without materially altering 



the present Standards 184 



Mr. Theodore W. Rathbone on Decimal Accounts and Comage 184 



Mr. John Reid on the Progressive Rates of Mortality, as occurring in all ages ; 

 and on certain Deviations • 186 



Mr. P. L. SiMMONDs's Statistics of Newspapers of Various Countries 188 



on the Growth and Commercial Progress of the two 



Pacific States of Cahfomia and Austraha 188 



Mr. John Stark's Return of the Number of Civil Actions and Civil and Cri- 

 minal Prosecutions and Informations in the Circuit for the Northern District 

 of the Island of Newfoundland, from January 1826 to January 1855, being 

 a period of 29 years 191 



Ml'. David Stow on Moral Training for large Towns 191 



Mr. Andrew Tennent's Statistics of a Glasgow Grammar School Class of 

 115 Boys 192 



Dr. John Strang on the Progress, Extent and Value of the Coal and Iron 

 Trade of the West of Scotland 193 



Mr. Richard Valpy on the Efi"ect of the War, in Russia and England, upon 

 the principal articles of Russian produce 195 



Mr. Richard Hussey Walsh on the Condition of the Labouring Population 

 of Jamaica, as connected with the present state of Landed Property in that 

 District , 197 



The Price of Silver of late years does not 



afford an accurate measure of the Value of Gold 198 



Mr. John Yeats on our National Strength, as tested by the Numbers, the 

 Ages, and the Industrial Qualifications of the People 199 



MECHANICAL SCIENCE. 



Mr. W. J. Macquorn Rankine's Opening Remarks on the Objects of the 



Section 201 



Mr. W. Bridges Adams on Railways and their Varieties 202 



on Ai"tillery and Projectiles 203 



Mr. H. P. Babbage on Mechanical Notation, as exemplified in the Swedish 

 Calculating Machine of Messrs. Scheiitz , 203 



Mr. Robert Barklay on an Instrument for Sounding 205 



Lady Bentham on Continuous Work in Dockyards 205 



Mr. Robert W. Billings on the Mechanical Principles of Ancient Tracery... 205 



Mr. Joseph Boult on the Importance of Periodical Engineering Surveys of 

 Tidal Harbours, illustrated by a comparison of the Surveys of the River 

 Mersey, by the late Francis Giles, C.E., and by the Marine Surveyor of the 

 Port of Liverpool 205 



Mr. W. Fairbairn on the Machinery of the Universal Exhibition of Paris ... 206 



Mr. James Gall, jun., on the mutual Influence of Capillaiy Attraction and 

 Motion on Projectiles, and its application to the construction of a new kind 

 of Rifle-shells, and Balls to be thrown from common guns 206 



