Fourth Series. Vol. 2 : No. 3. 



MEMOIRS AND PROCEEDINGS 



THE MANCHESTER 



LITERARY & PHILOSOPHICAL 

 SOCIETY. 



1888-9. 



CONTENTS. 



Proceedings PP- 90, 153, 184, 192 



Microscopical and Natural History Section - - pp. 89, 183 



Memoirs :— 



Hymenoptera Orientalis ; or Contributions to a knowledge 

 of the Hymenoptera of the Oriental Zoological 

 Region. By P. Cameron. Communicated by John 

 Boyd, Esq. P'9i 



On the equation to the Instantaneous Surface generated 

 by the dissolution of an Isotropic Solid. By James 

 Bottomley, D.Sc. - - p. 154 



On the Vitrified Cement from an ancient fort. By 



G. H. Bailey, D.Sc, Ph.D. P- 185 



Notes on a form of Plantago maritima [L.] new to Great 

 Britain : f. Pumila (Kjellman). By James Cosmo 

 MelviU, M.A., F.L.S. p. 189 



Colour and its relation to the Structure of Coloured 

 Bodies : being an investigation into the Physical 

 Cause of Colour in natural and artificial bodies and 

 the Nature of the Structure producing it. By 

 Alexander Hodgkinson, M.B., B.Sc. - - - p. 193 



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