VI. CONTENTS. 



PAGE 



On the Primary Structure of the Stem of Calamites. By Thomas Hick, 

 B.A., B.Sc, Assistant Lecturer in Botany, Owens College. Com- 

 municated by F. E. Weiss, B.Sc, Professor of Botany in the Owens 

 College 158 



On the Instantaneous Pressures produced in the Explosion- Wave. By H. 

 B. Dixon, F.R.S., Professor of Chemistry, and J. C. Cain, B.Sc, 

 1 85 1 Exhibition Scholar in the Owens College 174 



On the Influence of the Configuration and Direction of Coast Lines upon 

 the Rate and Range of the Secular Magnetic Declination. By Henry 

 Wilde, F.R.S 181 



A Sketch of the History of the Canal and River Navigations of England 

 and Wales, and of their present condition, with suggestions for their 

 future development. By Lionel B. Wells, M.Inst.C.E. Com- 

 municated by Rupert Swindells, M.I. C.E. 187 



PROCEEDINGS. 



Bailey, Charles, F.L.S.— On Gulls at Old Trafford 86 



On a Map of Palestine .. 87 



On the rapid advances in Knowledge of Fossil Botany .. ... 105 



Bailey, G. H., D.Sc, Ph.D. — On some aspects of Town Air as 



contrasted with that of the Country ... ... ... ... 1 



Bottomley, J ames, D.Sc, B. A. , Ph.D. — On the Completion of 



the Manchester Ship Canal 86 



Clay, Dr. Charles. — Presentation of Bust of ... ... ... ... 18 



Dixon, Prof. H. B., M.A., F.R.S.— On M. Moissan's Isolation of 



Fluorine ... ... .. ... ... ... ... .. 19 



Faraday, F. J., F.L.S., F.S.S. — On a deposit of dirt during foggy 



weather on Spinning Cops of Yarn in a Mill ... ... ... 18 



On the Canal Map by Mr. Swindells and Mr. Wells 33 



Grimshaw, Harry, F.C.S. — On the Treatment of Sewage with Basic 



Persulphate of Iron under varying conditions ... ... ... 34 



Gwyther, R. F., M.A. — On an Aurora seen at Buttermere 108 



Hartog, P. J., B.Sc. — On the Latent Heat of Steam .. ... ... 20 



31 



IIodgkinson, Alexander, M.B., B.Sc — On the Fertilization of an 



Orchid by Insect Agency ... ... ... ... ... ... 30 



Hoyle, W.E., M.A. — On Shells recently acquired by the Manchester 



Museum ... ... ... ... ... ... ... ... 100 



On the Luminous Organs of Cuttle Fish ... ... ... ... 105 



