CONTENTS. 



m 



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

 1825. By G. A. Walker Arnott, Esq. M.W.S. 

 (Continued from the preceding Volume), - 157 



XXII. Account of the interesting Works of Art lately dis- 

 covered in the Ruins of Selinus by two English 

 Architects, Messrs Harris and Angell. Commu- 

 nicated by Dr Traill of Liverpool, - 165 



XXIII. On the Magnetic Influence of the Heat produced 



by the Solar Rays, &c. By Mark Watt, Esq. 



M. W. S. Communicated by the Author, 170 



XXIV. List of Rare Plants which have Flowered in the 



Royal Botanic Garden, Edinburgh, during the 

 last three months; with Description of several 

 new species. Communicated by Dr Graham, 174 

 XXV. Celestial Phenomena from July 1. to October 1. 1827, 

 calculated for the Meridian of Edinburgh, Mean 

 Time. By Mr George Innes, Aberdeen, 179 



XXVI. Proceedings of the Wernerian Natural History 



Society, - - - « X81 



XXVII. Scientific Intelligence. 



chemistry. 

 1. Brome in Salt Springs. 2. On the Taste of Arsenic. 3. On 

 the Preservative Power of Arsenic over the Bodies of 

 Persons poisoned with it. 4. Observations on Iron by 

 M. Ant. Muller, (1.) Cast Iron; (2.) Pure Iron; (3.) 

 Steel, - - - - , 183-6 



mineralogy. 

 5. Optical Property of Dichroite. 6. Ilmenite of Siberia is 



Polygmite. 7, Scheererite, a new Mineral Species, 187-8 



geology. 

 8. On the Coal-field of Brora in Sutherland. 9. On the Dis- 

 tribution of Living and Fossil Plants, - 188-1 90 



BOTANY. 



10. Note on the Native Country of the Potato ; by Aylmer 

 BouRKE Lambert, Esq. F.R.S. A.S.G.S, H.S, and M.R. 

 A. S, Vice-President of the Linnean Society, &c. 11. 

 Notice regarding the Double Cocoa-nut, - 192 



