CONTENTS 



Page. 



I. On some of the Microscopical Objects found in the 



Mud of the Levant, and other Deposits ; with 

 Remarks on the mode offormation of Calcareous 

 and Infusorial Silicious Rocks. By W. C. 

 Williamson, Esq ' 



II. On the Times of Occurrence of the Daily Atmos- 



pheric and Barometric Disturbances at Bombay. 

 By Thomas Hopkins, Esq 129 



III. On the Origin of Coal. By E. W. Binney, Esq. 148 



IV. Sketch of the Drift Deposits of Manchester and its 



Neighbourhood. By E. W. Binney, Esq 195 



V. A New Mode of Representing Discontinuous Func- 



tions. By Robert Rawson, Esq 235 



VI. On a New and Practical Voltaic Battery of the 



highest powers, in which Potassium forms the 

 positive element. By John Goodman, Esq. ... 265 



