Fourth Series. Vol. 7 : No. 3. 



MEMOIRS AND PROCEEDINGS 



OP 



THE MANCHESTER 

 LITERARY & PHILOSOPHICAL 



SOCIETY. 



1892-93. 



CONTENTS. 



Proceedings pp. 206, 209, 210 



Microscopical and Natural History Sectio n - - - - pp. 220 — 225 



Physical and Mathematical Section - p- 226 



Memoirs :— 



Some recent developments in the application of Salts of Iron to 



the Purification of Sewage. By Harry Grimshaw, F.C.S. p. 199 



Notes on a small collection of Plants, collected in S.W. 

 Colorado, by Mr. J. Cardwell Lees. By James Cosmo 

 Melvill, M.A., F.L.S. p. 214 



Annual Report of the Council p. 227 



Treasurer's Accounts - p. 246 



Annual Report of the Council of the Microscopical and Natural 



History Section - - - - ----- p. 249 



List of the Council and Members p. 252 



Title Page and Contents for the Volume. 



MANCHESTER: 

 36 GEORGE STREET. 



Ipiice trbree SbilUngs anJ) Sfjpencc. 



