JV CONTENTS. 



Page 



Observations on the Application of Machinery to the Catting of Coal in 

 Mines. By William Firth, of Birley Wood, Leeds 175 



Concluding Eeport on the M^tese Fossil Elephants. By A. Leixh 

 Adams, M.B., F.E.S., F.G.S 185 



Eeport of the Committee, consisting of Professor Ramsay, Professor 

 Geikie, Professor J. Young, Professor Nicol, Dr. Bktce, Dr. Aexhur 

 Mitchell, Professor Hull, Sir E. Griffith, Bart., Dr. Kino, Pro- 

 fessor Hakkness, Mr. Peestwich, Mr. Hughes, Eev. H. W. Crosskey, 

 Mr. W. Jolly, Mr. D. Milne-Home, and Mr, Peng ell y, appointed 

 for the purpose of ascertaining the existence in different parts of the 

 United Kingdom of any Erratic Blocks or Boulders, of indicatingon 

 Maps their position and height above the sea, as also of ascertaining 

 the nature of the rocks composing these blocks, their size, shape, and 

 other particulars of interest, and of endeavouring to prevent the 

 destruction of such blocks as in the opinion of the Committee are 

 ■worthy of being preserved. Drawn up by the Eev. H. W. Crosskey, 

 Secretary 188 



Fourth Eeport on Earthquakes in, Scotland, drawn up by Dr. Bryce, 

 F.G.S. The Committee consists of Dr. Bbyce, F.G.S. , Sir W. Thom- 

 son, F.E.S., Geo, Forbes, F.E.S.E., and Mr. J. Brough 194 



Ninth Eeport of the Committee for Exploring Kent's Cavern, Devon- 

 shire, the Committee consisting of Sir Charles Lyell, Bart., F.E.S,, 

 Professor Phillips, F.E.S., Sir John Lubbock, Bart., F.E.S., John 

 Evans, F.E.S., Edward Vivian, M.xV., George Busk, F.E.S., William 

 Boyd Dawkins, F.E.S., William Ayshford Sanford, F.G.S., and 

 William Pengelly, F.E.S. (Eeporter) 198 



The Flint and Chert Implements found in Kent's Cavern, Torquaj', 

 Devonshire. By W. Pengelly, F.E.S., F.G.S 209 



Eeport of the Committee, consisting of Dr. Gladstone, Dr. C. E. A. 

 Wright, and W. Chandler Egberts, appointed for the purpose of 

 investigating the Chemical Constitution and Optical Properties of 

 Essential Oils. Drawn up by Dr. Wright 214 



Eeport of the Committee, consisting of W. Chandler Eoberts, Dr, 

 Mills, Dr. Boycott, and A. W. Gadesden, appointed for the purpose 



• of inquiring into the Method of making Gold-assays, and of stating 

 the Eesults thereof. Drawn up by W. Chandler Egberts, Secretary 219 



First Eeport of the Committee for the Selection and Nomenclature of 

 Dynamical and Electrical Units, the Committee consisting of Sir W. 

 Thomson, Professor G. C. Foster, Professor J. C. Maxwell, Mr. G. J. 

 Stone Yj Professor Fleeming Jenkin, Dr. Siemens, Mr. F. J, Bram- 

 WELL, and Professor Everett (Eeporter) 222 



Eeport of the Committee, consisting of Professor Phillips, LL.D., F.E.S., 

 Pi-ofessor Harkness, F.E.S., Henry Woodward, F.E.S., James Thom- 

 son, John Brigg, and L. C. Miall, on the Labyrinthodonts of the 

 Coal-measures. Drawn up by L. C. Miall, Secretary to the Com- 

 mittee 225 



Eeport of the Committee appointed to construct and print Catalogues 

 . of Spectral Eays arranged upon a scale of Wave-numbers, the Cora- 



