viii CONTENTS. 



Page. 



VII. Researches into the Identity of the Existences or 



Forces — Light, Heat, Electricity, and Magne- 

 tism. By John Goodman, Esq 276 



VIII. On the Maturation of Grain and Farming Pro- 



duce, so as to he most beneficial to, the Cultivator. 

 By John Just, Esq 297 



IX. On Physical Data, applicable to Mathematics, in 



the Sciences of Meteorology, Hydrodynamics, 

 Heat, ^c. By Robert Rawson, Esq 329 



X. Note on the employment of Electrical Currents, for 



ascertaining the Specific Heat of Bodies. By 



J. P. JouLK, Esq 375 



XI. On Water from Peat and Soil. By R. Angus 



Smith, Esq., Ph. D 377 



XII. Description of an Aurora Borealis, seen at Kirkby 



Lonsdale, Westmorland, September 29th, 1847. 

 By William Sturgeon, Esq 3S1 



XIII. Description of an Aurora Borealis. By "Wil- 



liam Sturgeon, Esq 387 



XIV. On the Formation of Clouds, as observed in the 

 locality of Kirkby Lonsdale, Westmorland, in the 

 month of October, 1847. By William Stur- 

 geon, Esq., in a letter to E. W. Binney, Esq. 390 



