TO OUR READERS AND CORRESPONDENTS. 



The best answer to F. R. S. is the insertion of Dr. Wollaston's paper. 



All that is important in Mr. R.'s paper has been said fifty times by other 

 persons. We cannot undertake to forward communications to other 

 journals, and request in future that such letters may be franked. 



We have been obliged to postpone the insertion of the Wiseman Papers, 

 in consequence of the lamented death of our correspondent, Mr. Wadd. 



We must decline the letter on Naval Affairs. 



We have seen Dr. Graham's Catechism : it is not so good as Parkes's ; 

 and what is worse, is a piracy upon the title of that deservedly popular 

 work. 



Just Published for the Use of Students, 

 A COLLECTION OF CHEMICAL TABLES OF EQUIVALENTS j 



ALSO, 



OUTLINES OF GEOLOGY ; 

 By W. T. Brande, F. R. S., &c. 



A New Edition of 

 Mr. BftANDE'S MANUAL OF CHEMISTRY 



IS NOW IN THE PRESS. 



