VI CONTENTS. 



XIII. On the Production of Nitric Acid from Air by means of the 



Electric P^iame. By Arthur McDougall, B.Sc, and 

 Fred Howles, B.Sc pp. i — 19 



XIV. Selections from the Correspondence of Lieutenant-Colonel 



John Leigh Philips, of Mayfield, Manchester. Part II. By 



W. Barnard Faraday, LL.B ... pp. i — 51 



XV. Hymenoptera Orientalia, or Contributions to the knowledge of 

 the Hymenoptera of the Oriental Zoological Region. Part IX. 

 The Hymenoptera of the Khasia Hills. Part II. Section I. 

 By Peter Cameron pp. i — 114 



XVI. Some Criticisms on the Modern Theory of Solutions. By 



Edgar F. Morris, M.A pp. i — 4 



PROCEEDINGS. 



Balfour, Isaac Bayley, M.A., F.R.S. — E.xhibit of plants from 



Socotra ... ... ... ... ... ... ... ... vii 



Bowman, F. H., D.Sc, F.R.S. E. — On the preservation of milk by 



aeration ... ... ... ... ... ... ... ... xviii 



Bkoadbent, G. H., M.R.C.S. — On the ebb and flow of water in the 



well at Giggleswick ... ... ... ... ... ... iii 



Cameron, Peter. — Exhibit oi Zicrona ccmilea found near Marple ... viii 



Exhibit of larva of the oil beetle (/J/t'/^f) xxv 



Ui.xoN, H. B., M.A., F.R.S. — Statement concerning the restoration 



of Dalton's tomb ... ii 



Dixon, H. B., M.A., F.R.S., and Peterkin, J. D. — Experiments ou 

 the union of nitric oxide and nitrogen peroxide gases ... 



Faraday, F. J., F.L.S.— On the flight of birds -xi-x 



Flux, A. W. , M.A. — Internal migration in England and Wales, 



1881-91 xiii 



HOYLE, W. E., M.A, F.R.S.E.— Exhibit of flint instruments, .Vc, 



from Egypt... ... ... ... ... ... ... . • iv 



Lees, Charles H., D.Sc. —Account of Prof. J. J. Thomson's experi- 

 ments on the behaviour of the anode and cathode rays... ... i 



Melvill, J. Cosmo, M.A., F.L.S. Notes on two collections of 



terrestrial mollusca from Socotra... ... ... ... .•■ i-^' 



Note on Co«^<.f r/y/^j/Zra Melv. and Stand... ... ... ... >^ 



Nicholson, Francis, F.Z.S. On the flight of birds xvi 



