IV 



Page 



Researches on' Chemical Equivalence. Part IV. Manganous and 

 Nickelous Sulphates. By Edmund J. Mills, D.Sc, F.R.S., and J. H. 

 Bicket 32 



Researches on Chemical Equivalence. Part V. By Edmund J. Mills, 

 D.Sc., F.R.S., and Bertram Hunt , 32 



November 24, 1881. 



The Bakerian Lecture. — Action of Free 



and its Conversion thereby into Sound. By Dr. Tyndall, F.R.S 33 



November 30, 1881. 

 Anniversary Meeting. 



Report of Auditors , 39 



List of Fellows deceased since last Anniversary 39 



elected , 40 



Address of the President , 40 



Presentation of the Medals , 65 



Election of Council and Officers 67 



Financial Statement „ 69-71 



Trust Funds 72-75 



Account of the Appropriation of the sum of £1,000 (the Government 

 Grant) annually voted by Parliament to the Royal Society, to be 

 employed in aiding the advancement of Science 76 



Account of Appropriations from the Government Fund of ,£4,000 made 

 by the Lords of the Committee of Council on Education, on the recom- 

 mendation of the Council of the Royal Society 77 



Report of the Kew Committee 80 



List of Presents. 100 



No. 217.— December 8, 1 881. 



On the Genus Culeolics. By W. A. Herdman, D.Sc, F.L.S., F.R.S.E., 

 Demonstrator of Zoology in the University of Edinburgh 104 



On the Development of the Skull in Lepidosteus osseus. By "W. K. 

 Parker, F.R.S 107 



On the Structure and Development of Lepidosteus, By F. M. Balfour, 

 LL.D., F.R.S,, and W. N. Parker 112 



On a New Mineral found in the Island of Cyprus. By Paulus F. 

 Reinsch (Erlangen) 119 



