To CORREsrON DENTS. 



Dr. Walker's Natural History of tl.e neighbourhood of Hud- 

 dcrsfield reached us too late for insertion. 



Dr. Fitton's Paper on the History of English Geology, has been 

 withdrawn by tlie Author, with a view to its appearance in a 

 separate publication. 



We regret that want of room has obliged us to exclude Mr. 

 Slight's Report relative to the Portsmouth Philosophical Society. 



