11 
Monday , 7tli February 1870. 
PAGE 
i Reciprocal Figures, Frames, and Diagrams of Forces. 
By J. Clerk Maxwell, Esq., F.R.SS. L. & E., . 53 
0)i the Extension of Brouneker’s Method. By Edward 
Sang, Esq., . . . . . .56 
On the Forces experienced by Solids immersed in a Moving 
Liquid. By Sir William Thomson, . . .60 
the Equilibrium of Vapour at a Curved Surface of Liquid. 
By Sir William Thomson, . . . .63 
On a Bow seen on the Surface of Ice. By J. Clerk 
Maxwell, Esq., F.R.SS. L. & E., . . 69 
Monday , 21 st February 1870. 
Note on the Atomic Volume of Solid Substances. By James 
Dewar, Esq., Lecturer on Chemistry, Veterinary College, 
Edinburgh, ...... 70 
Note on Inverted Sugar. By James Dewar, Esq., Lecturer 
on Chemistry, Veterinary College, Edinburgh, . 77 
On the Flow of Electricity in Conducting Surfaces. By 
W. R. Smith, M.A., Assistant to the Professor of 
Natural Philosophy in the University of Edinburgh. 
Communicated by Professor Tait. (With a Plate.) . 79 
On the Kombi Arrow-poison ( Strophanthus hispidus, DC.) 
of the Manganja district of Africa. By Dr Thomas R. 
Fraser, . • . . . . 99 
On Uhebo-lactic Acid. By J. Y. Buchanan, M.A., . 103 
On the Bones of a Seal found in Red Clay near (Grange- 
month, with Remarks on the Species. By Professor 
CORNER, , . . . . .105 
Monday \ 7th March 1870. 
On the Rate of Mortality of Assured Lives as experienced 
by Ten Assurance Companies in Scotland from 1815 
to 1863. By J. mes Meikle, Esq. Communicated by 
Professor Tait, _. . . . .115 
Notes on Indian Society, and Life in the Age when the 
Hymns of the Bigveda were composed. By John Muir, 
D.O.L., LL.D., Ph.D„ 119 
Monday, 21 st March 1870. 
> .... r in ' ake Basins of Eastern Africa, By Keith Johnston, 
Jan.., Esq., F.R.G-.S., . . . . .122 
continv i ion of Contents, see pp. 3 and 4 of Cover. 
