CONTENTS. y 



Pag« 



Eeport of the Gun-cotton Committee, consisting of William Fairbairn, 

 LL.D., F.B.S., Joseph Whitworih, LL.D., F.E.S., James Nasmyth, 

 C.E., F.B.A.S., J. Scott Eussell, C.E., F.E.S., John Anderson, C.E., 

 Sir William Gf. Armstrong, C.B., LL.D., F.E.S., Dr. Gladstone, 

 F.E.S., Professor W. A. Miller, M.D., F.E.S., Professor Frankland, 

 F.E.S., and F. A. Abel, F.E.S 264 



On the Horary and Diurnal Variations in the Direction and Motion of 

 the Air at Wrotteslcy, Liverpool, and Birmingham. By A. Follett 

 Oslee, F.E.S 26-4 



Second Eeport on the Physiological Action of certain of the Amyl Com- 

 pounds. By Benjamin W. Eichaedson, M.A., M.D., F.E.C.P 272 



Eeport on further Besearches in the Lingula-flags of South Wales. By 

 Henry Hicks. With some Notes on the Sections and Fossils, hy J. 

 W. Salter, F.G.S., A.L.S ' 281 



Eeport of the Lunar Committee for Mapping the Surface of the Moon. 

 By W. E. Birt, at the request of the Committee, consisting of James 

 Glaisher, F.E.S., Lord Eosse, F.E.S., Sir John Herschel, Bart., 

 F.E.S., Professor Phillips, F.E.S., Warren de la Eue, F.E.S., Pre- 

 sident of the Eoyal Astronomical Society, Dr. Lee, F.E.S., Eev. W. 

 E. Dawes, F.E.S., Eev. T.W.Webb, F.E.A.S., J. N. Lockyer, F.E.A.S., 

 H. S. Ellis, F.E.A.S., and W. E. Birt, F.E.A.S 286 



Eeport of the Committee on Standards of Electrical Eesistance. By Pro- 

 fessor Williamson, Professor Wheatstone, Professor W. Thomson, 

 Professor Miller, Dr. A. Matthlessen, Mr. Fleeming Jenkin, Sir 

 Charles Bright, Professor Maxwell, Mr. C. W. Siemens, Mr. Bal- 

 eour Stewart, Dr. Joule, and Mr. C. F. Yaeley 308 



Eeport of the Committee, consisting of Major-General Sabine, P.E.S., Sir 

 John Herschel, Bart., F.E.S., J. P. Gassiot, F.E.S., and Sir E. I. Mttr- 

 chison, Bart., F.E.S., appointed for the purpose of communicating to 

 the Russian Government the opinion of the British Association, that 

 the establishment of magnetical observations on the Kew system at 

 the Observatory of Tinis, by Professor Moritz of that place, would 

 largely conduce to the furtherance of Magnetical Science. By General 

 Sabine, P.E.S 313 



Appendix to Eeport of the Committee on the Distribution of the "Verte- 

 brate Eemains from the North Staffordshire Coal Field. By John 

 Young, M.D., F.E.S. Edinb 317 



First Eeport on the Structure and Classification of the Fossil Crustacea. 

 By Henry Woodward, F.G.S 320 



Eeport on the Theory of Numbers. — Part YI. By H. J. Stephen Smith, 

 M.A., F.E.S., Savilian Professor of Geometry in the University of 

 Oxford 322 



Eeport on the best means of providing for a Uniformity of Weights and 

 Measures, with reference to the Interests of Science. By a Committee, 

 consisting of Lord Wrottesley, D.C.L., F.E.S., The Et. Hon. C. B. 

 Adderley, M.P., Sir William Armstrong, C.B., F.E.S., The Astro- 

 nomer Eoyal, F.E.S., Samuel Brown, W. Ewart, M.P., T. Graham, 

 F.E.S., Sir John Hay, Bart., M.P., F.E.S., Prof. Hennessy, F.E.S., 



