TO OUR READERS AND CORRESPONDETNS. 



Wk have received two letters upon the subject of the Thames Tunnel : 

 that signed ** A Shareholder," is anticipated as to its contents by a 

 Letter which has been published. The other, from ** A Contributor 

 to the Subscription," we recommend for the newspapers. 



We cannot, at present, enter upon the subject of London Bridge and 

 Thames-street ; but believe that the apprehensions entertained by ** An 

 admirer of Sir Christopher Wren" are quite groundless. 



A. B., on the Influence of Knowledge, &c., is not quite suited to this 

 Journal. 



As very partial and often garbled extracts from the Report upon the 

 Supply of Water to the Metropolis, have hitherto only appeared in the 

 newspapers, we have thought it right to publish the whole of that docu- 

 ment. 



We have again been obliged, in consequence of the pressure of other 

 matter, to postpone the greater portion of Reviews of Books : the subject 

 shall be attended to in our next Number. Several original communi- 

 cations and others have, for the same reason, been deferred. 



Dr. Harwood's paper on the Whale tribe, being the substance of his 

 discourse upon that subject refeired to in the Proceedings of the Royal 

 Institution, will be printed in our next Number: we much regret having 



