XVI CONTENTS. 



Page 



Mr. John Fhederic Bateman and Julian John Revy's Description of a 

 proposed Cast-iron Tube for carr3aug a Railway across the Channel between 

 the Coasts of England and France 206 



Mr. T. D. Bahry on the Utilization of Town Sewage 209 



Vice-Admiral Sir Edward Belcher on a Navigable Floating Dock 209 



Mr. J. T. Chillingworth on an Air-Engine 209 



Mr. Latimer Clark on the Birmingham Wire-Gauge 209 



Colonel H. Clerk on the Hydraulic Buffer, and Experiments on the Flow of 

 Liquids through small Orifices at High Velocities 209 



Mr. R. Eaton on certain Economical Improvements in obtaining Motive Power 210 



Mr. Lavington E. Fletcher on Government Action with regard to Boiler 

 Explosions 210 



Mr. R. E. Froude on the Hydraulic Internal Scraping of the Torquay Water- 

 main 210 



Mr. William Froude on some Difficulties in the received View of Fluid 

 Friction 211 



Mr. Thomas Login on Roads and Railways in Northern India, as affected by 

 the Abrading and Transporting Power of Water 214 



Mr. J. D. Morrison's Description of a New System of House Ventilation . . 219 



Mr. William Smith on an Improved Vertical Annular High-pressure Steam- 

 boiler 219 



Mr. G. J. Symons on a Method of determining the true amount of Evapora- 

 tion from a Water-Surface 220 



Mr. Alfred Varley on Railway Passengers' and Guards' Communication . . 220 



Mr. Joseph Whitworth on the Penetration of Armour Plates by Shells with 

 Heavy Bursting Charges Fired Obliquely 222 



APPENDIX. 



Dr. Benjamin W. Richardson on the Physiological Action of Hydrate of 

 Chloral 222 



Dr. Richard King on the Natives of Vancouver's Island and British Columbia 225 



Mr. T. S. PniDEAUX on the Occasional Definition of the Convolutions of the 

 Brain on the exterior of the Head 225 



Prof. Leone Levi on the Economical Condition and Wages of the Agricultural 

 Labourer in England 226 



Mr. Richard Eaton on certain Economical Improvements in obtaining Mo- 

 tive Power 228 



