ii CONTENTS. 



Art. X. Chemical Examination of Tourmaline. By Professor 



C. G. Gmelin, - - . - - 274 



XI. Chemical Examination of Russian Platina. By Ch. 



OssANN, Professor in Dorpat, - - 276 



XII. On the History and Constitution of Benefit or Friend- 

 ly Societies. By Mr W. Eraser, Edinburgh. 

 Continued from p. 139- - - - 276 



XIII. The Brain of the Common Dolphin, compared with 



that of Man. By M. F. Tiedeman, - 296 



XIV. Of the Changes which Life has experienced on the 



Globe, - - - - - 298 



XV. The Disasters of Tivoli, - - - 301 



XVI. Essay on the Domestication of Mammiferous Ani- 

 mals, with some introductory considerations on the 

 various states in which we may study their actions. 

 By M. Frederick Cuvier, - - 303 



XVII. Experiments with Bottles sunk into the Sea, made 

 during a Voyage from New South Wales. By Mr 

 James Dunlop. In a Letter to Professor Jame- 

 son, ----- 318 

 XVIII. Observations and Experiments on the different kinds 



of Coal. By M. Karsten. Continued from p. 71- 322 



XIX. Observations on the Cow-tree of the Caraccas; and on 

 the Culture of the Nutmeg-tree. In a Letter from 

 Mr David Lockhart, Curator of the Botanical 

 Garden in Trinidad to Aylmer Bourke Lambert, 

 Esq. F.R.S. V.P.L.S. ; and Note by Mr D. Don, 335 

 XX. Observations on the Structure and Nature of Flus- 

 trae. By R. E. Grant, M. D. F. R. S. E. F. L. S. 

 M.W.S. Fellow of the Royal College of Physicians 

 of Edinburgh, Professor of Zoology in the Uni- 

 versity of London. (Continued from p, 118.), 337 



XXI. Account of an Aurora Borealis, observed at Edin- 

 burgh 1 6th January 1827; with some particulars 

 of another, of a preceding year. With a Plate. By 

 D.Blackader, Esq. Communicated by the Author, 34-2 

 XXTI. Overland Arctic Expedition, - - 347 



XXIII. A Tour to the South of France and the Pyrenees, in 



1 825. By G. A. Walker Arnott, Esq. F. R. S. E. 

 F.L.S. M. W. S. (Continued from p. l64.), 350 



XXIV. On the Theory of the Diurnal Variation of the 



Needle. By S. H. Christie, Esq. F. R. S. - 356 



