PROCEEDINGS OE 

 THE KOYAL SOCIETY. 



vol. xx. No. 133. 



CONTENTS. 



March 7, 1872. * 



PAGE 



List of Candidates for Election into the Society 198 



I. Letter from W. De La Ette, F.E.S., to Prof. Stokes, Sec. U.S., relative to 



the Observations taken with, the Kew Heliograph 199 



II. On the Organization of the Fossil Plants of the Coal-measures. — Part III. 

 Lycopodiacea. By W. C. Williamson, F.E.S., Professor of Natural His- 

 tory in Owen's College, Manchester 199 



March 14, 1872. 



I. Contributions to the History of the Opium Alkaloids. — Part IV. By C. E. 

 A. Weight, D.Sc, Lecturer on Chemistry in St. Mary's Hospital Medical 

 School 203 



II. Further Investigations on Planetary Influence upon Solar Activity. By 

 Waeben De La Eve, D.C.L., F.E.S., Baleove Stewart, LL.D., F.E.S., 

 and Benjamin Loewy, F.E.A.S. . 210 



IlL The Decomposition of Water by Zinc iu conjunction with a more Negative 

 Metal. By J. H. Gladstone, Ph.D., F.E.S., and Alfeed Teibe, 

 F.C.S 218 



[For continuation of Contents see ±th page of Wrapper.] 



NOTICE. 



A Meeting of the Government-Grant Committee will be held in June. It is 

 requested that applications to be considered at that Meeting be forwarded to the 

 Secretary of the Eoyal Society before the 31st of May. 



