PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



vol. xxxix. No. 241. 



CONTEXTS. 



December 10, 1885. 



PAGE 



I. Preliminary Kesults of a Comparison of certain simultaneous Fluctuations 

 of tlie Declination at Kew and at Stonyliurst during the Years 1883 and 

 1884, as recorded by the Magnetographs at these Observatories. By 

 the Rev. Stephen Joseph Pebby, F.R.S., Director of the Stonyliurst 

 Observatory, and Baleotje Stewaet, LL.D., F.R.S., Professor of 

 Physics at the Owens College, Manchester 362 



II. On the Magnetisation of Steel, Cast Iron, and Soft Iron (being the 

 Investigation for which the Watt Prize of 18S4 was awarded by the 

 Senate of the University of Glasgow) . By John W, GXemmell . . 374 



III. On the Limited Hydration of Ammonium Carbamate. By H. J. BT. 



Fenton, M.A., F.C.S., F.I.C., Demonstrator in Chemistry in the 

 University of Cambridge . . . . . . . . 386 



IV. On the Relation of the Reptiliferous Sandstone of Elgin to the Upper Old 



Red Sandstone. By Professor John W. Jfdd, F.R.S., Sec. G-.S. . 394 



V. Experimental Researches in Cerebral Physiology. II. On the Muscular 

 Contractions which are evoked by Excitation of the Motor Tract. By 

 T. A. Hoeseet, M.B., B.S., Professor Superintendent of the Brown 

 Institution and Assistant Professor of Pathology in University College, 

 London, and E. A. Schaeee, F.R.S., Jodrell Professor of Physiology in 

 University College .......... 404 



For continuation of Contents see 4th page of Wrapper. 



Price Seven Shillings. 



