476 INDEX, 



Theorem in the Theory of Attractions. Poisson's Re- 

 marks on this Theorem, 402. 



S. 



Saline Spring, Analysis of, 399. 



Sculpture, On the progress of, to the time of Phidias, with 

 Remarks on the charges against him, 449. 



Smith, R. Angus, Esq., Ph. D., On Water from Peat and 

 Soil, 377. 



Specific Heat of Bodies, 375. 



Sturgeon, William, Esq., Description of an Aurora Bore- 

 alis, seen at Kirkby Lonsdale, Westmorland, September 

 29th, 1847, 381 ; — Description of another Aurora Borealis, 

 387 ; — On the Formation of Clouds, as observed in the 

 locality of Kirkby Lonsdale, in the month of October, 1 847, 

 390 ; — Description of an Aurora Borealis, seen at Biggins, 

 November 1st, 1847, 397. 



W. 



Water, On, from Peat and Soil, 377. 



Williamson, W. C. Esq., On some of the Microscopical 

 Objects found in the Mud of the Levant, and other De- 

 posits ; with Remarks on the Mode of Formation of Calca- 

 reous and Infusorial Silicious Rocks, 1. 



Y. 



Young, James, Esq., On the Deodorization of Manures, 446 



