CONTENTS. Vll 



Page 

 CAKJiUXT, Mr. ]>:. Macroey, Mr. II. Teueman AVood, Mr. W. II. Baeloav, 

 and Mr. A. T. Atchison, appointed for the purpos-e of watching' and re- 

 porting to the Council on Patent Legislation 310 



Keport of the Committee, consisting of Sir Joseph VVhttwoeth, Dr. (!. W. 

 [SiEJiExs, Sir Feedeeiok Beamavell, Mr. A. SxEon, Mr. Beck, Mr. W. H. 

 Teeece, Mr. E. Ceompton, Mr. E. Eigg, Mr. A. Le Neve Fosxee, Mr. 

 Latimee Clark, Mr. Buckney, and Mr. II. Trueman Wood (Secretary), 

 appointed for the purpose of determining a Gauge for the manufacture of 

 the various small screws used in Telegraphic and Electrical Apparatus, in 

 Clockwork, and for other analogous purposes 311 



Keport of the Committee, consisting of 3Ir. James Glaisher, Mr. C. W. 

 Meerifield, Sir Feedekick Beamwell, Professor (). IIeynolds, Professor 

 W. Cawthoene Unwin, Mr. Eogees I'ield, Mr. T. IIawksley, and Mr. A. 

 T. Atchison (Secretary), appointed to consider and report upon the best 

 means of ascertaining the effective Wind Pressures to which buildings and 

 structures are exposed 315 



(Jn the Boiling Points and Vapour Tension of Mercury, of Sulphur, and of 

 some Compounds of Carbon, determined by means of the Hydrogen Ther- 

 mometer. By Professor J. M. Ceafts 317 



On the Method of Harmonic Analysis used in deducing the Numerical Values 

 of the Tides of long period, and on a Misprint in the Tidal Report for 1872. 

 By G. H. Daeavin, M.A., F.R.S 319 



List of Works on the Geology and Palaeontology of Oxfordshire, of Berkshire, 

 and of Bucldnghamshire. By William Whitakee, B.A., F.G.S 327 



Notes on the oldest Records of the Sea Route to China from Western Asia. 

 By Colonel H. Yule, C.B., R.E 347 



The Deserts of Africa and Asia. By P. de Tchihatchef, Member of the 

 Academies of Sciences of Paris, Berlin, Munich, St. Petersburg, &c 356 



State of Crime in England, Scotland, and Ireland in 1880. By Professor 

 Leone Levi, F.S.A 375 



On the Treatment of Steel for the Construction of Ordnance, and other pur- 

 poses. By Sir AViLLiAM Aemsteong, C.B., F.R.S 398 



The (ihannel Tunnel. By J. Clarke Hawkshaw, M.A., F.G.S., M.I.C.E. .., 404 



The Forth Bridge. By B. Baker 419 



