Fourth Series. / Vol. 2 : No. i. 



MEMOIRS AND PROCEEDINGS 



OF 



THE MANCHESTER 



LITERARY & PHILOSOPHICAL 

 SOCIETY. 



CONTENTS. 



Proceedings pp. i, 9, 21 



Microscopical and Natural History Section - - - - p. 8 



Physical and Mathematical Section - - - - - p. 20 



Memoirs : — 



Incompleteness of Combustion in Gaseous Explosions. 

 By Prof. Harold B. Dixon, F.R.S., and H. W. 

 Smith, B.Sc. p. 2 



A decade of new Hymenoptera. By P. Cameron, F.E.S. 



Communicated by John Boyd, Esq. - - - - p. 11 



A New System of Logical Notation. By Joseph John 

 Murphy. Communicated by the Rev. Robert Harley, 

 M.A., F.R.S., Corresponding Member - - - p. 22 



MANCHESTER : 

 36, GEORGE STREET. 



Ipricc, Zwo SbUluifls. 



