XVIII ROYAL SOCIETY OF CANADA 
Part II containing the work of the latest session is now partly through 
the press, and will be completed in due course as usual. The papers 
being published in this Part, for the session 1899-1900, are as follows :— 
1.—< On the Subdivisions of the Carboniferous System in Canada,” 
by H. M. Ami, Esq., D.Sc., of the Geological Survey of Canada. 
2.—<% On Laws of Dilution for Aqueous Solutions,” by Professor J. 
G. MacGregor, D.Sc., F.R.S.C. and E., Dalhousie College. 
3.—% On the Relation of the Viscosity of Mixtures of Solutions of 
Certain Salts to their State of Ionization,’ by James Barnes, Esq., B.A., 
Dalhousie College. 
4.— On the Calculation of the Conductivity of Aqueous Solutions 
containing Hydrochleric and Sulphuric Acids,” by James Barnes, Esq., 
B.A., Dalhousie College. 
5.—* Nova Scotian Minerals collected for the Paris Exhibition of 
1900,” by Edwin Gilpin, jr., Esq., LL.D., F.R.8.C., Inspector of Mines for 
Nova Scotia. 
6.— Notes on the Periodical Appearance of Ants in a Chimney,” 
and “ An Unusual Site for a Humble-Bee’s Nest,” by Harry 8. Poole, 
Esq., M.A., F.G.S. i 
7.— On a Relation Between the Ionization Coefficients of Electro- 
lytes and its Application as an Interpolation Formula,” by C. M. Pasea, 
Esq., B.A., of Dalhousie College. 
8.—‘On the Depression of the Freezing Point of Mixtures of 
Electrolytes,” by James Barnes, Esq., B.A., of Dalhousie College. 
9.—% North Atlantic Deposits brought up by the Cable Steamship 
Minia,” by A. H. MacKay, Esq., LL.D., F.R.S.C. 
10.—% Records of Post-Triassic Changes in Kings County, Nova 
Scotia,” by Professor Ernest Haycock, Acadia College. 
11—“A Fresh-Water Sponge from Sable Island,” by A. H. 
Mackay, Esq., LL.D., F.R.S.C. 
12.—‘ Natural History of Money,” by Professor John Davidson, 
Ph.D., University of New Brunswick. 
13.—“ Phenological Observations, Canada, 1898-99,” by A. H. 
MacKay, Esq., LL.D., F.R.S.C. 
14.—“ On the Variation of the Rigidity of Vulcanized India 
Rubber with Tension,” by T. C. Hebb, Esq., B. A., Dalhousie College. 
15.—* Notes on a Cape Breton Mineral containing Tungsten,” and 
“On the Effect of Washing certain Cape Breton Coals,” by Harry S. 
Poole, Esq., M.A., F.G.S. 
16.—*“ Geological Nomenclature in Nova Scotia,” by Hugh 
Fletcher, Esq., B.A., of the Geological Survey of Canada. 
