SCIENTIFIC COMMUNICATIONS 



RECEITED AT 



THE SOCIETY'S MEETINGS. 



March, 1830. — On the recent appearances of Aurora Borealis: 

 by W. Marshall, F. G. S. 



On the ancient Dikes at Huggate, on the Wolds of Yorkshire : 

 by the Rev. T. Rankin. 



On some Geological Phenomena in Caermarthenshire : by Mr. 

 Price. 



On an ancient Seal, in the possession of the Society : by 

 Michael Jones, Esq. F. S. A. 



On the supposed Footprints of Quadrupeds on the Sandstone rock 

 of Dumfriesshire: by H. Witham, Esq. F. G. S. 



Afril. — On a crystallized Oxide of Zinc, procured from the 

 Zinc Works at Filisur, in the Grisons ;' — on the colouring matter 



Phil. Mag. and Annals, June 1830. 

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