XXX THE ROYAL SOCIETY OF CANADA 



41. — Anhydrous Hydrogen Peroxide. By O. Maass and W. 

 Hatcher. 



42. — The Hydrate of an Oxonium Compound. By O. Maass and 

 J. Russel. 



43. — Apparatus to Control SupercooHng in Molecular Weight 

 Determinations by the Freezing Point Method. By O. Maass. 



44. — The Estimation of Sulphates in a Concentrated Electro- 

 lyte and the Determination of Sulphur in Foods. By V. K. Krieble, 

 Ph.D., and A. W. Maugaum. 



45. — The Analysis of Maple Products. Paper H. Our Present 

 Knowledge of the Composition of the Products of Maple Sap. By 

 J. F. Snell, Ph.D. 



46. — The "Alkali" Contents of Soils as Related to Crop Growth. 

 By Dr. Frank T. Shutt, F.R.S.C, and E.A. Smith, M.A. 



47. — Possible Economies in the Electric Smelting of Iron Ore. 

 By Dr. Alfred Stansfield, F.R.S.C. 



48. — The Hydrolytic Decomposition of Platinum Salts. 1. The 

 Hydrolysis of Potassium Chloroplatinate. By E. H. Archibald, 

 Ph.D., F.R.S.C. 



49.-^The Estimation of Iron and the Separation of Iron from 

 Manganese by means of Nitrosophenylhydroxylamine Ammonium 

 (Cupferron). By E. H. Archibald, Ph.D., F.R.S.C. and Ruth V. 

 Fulton. 



50. — The Atomic Weight of Carbon. By Dr. D. Mcintosh, 

 F.R.S.C. 



51. — Crystallization from Supersaturated Solutions and Super- 

 cooled Liquids. By Dr. D. Mcintosh, F.R.S.C. 



Frank T. Shutt, 



Secretary. 



On the motion of Dr. Shutt, seconded by Dr. L. V. King, the 

 report of Section HI was adopted. 



REPORT OF SECTION IV, 



Section IV begs to submit the following report : 



Four sessions of the Section were held, at which thirteen members 

 were present: Dr. L. W. Bailey, President; Mr. J. A. Dresser, Vice- 

 President; Mr. William Mclnnes, Secretary; Dr. H. M. Ami, Dr. 

 A. P. Coleman, Dr. W. H. Collins, Mr. D.B. Dowling, Mr. E. R. 

 Faribault, Mr. R. G. McConnell, Dr. W. A. Parks, Mr. J. B. Tyrrell, 

 Mr. T. L. Walker, Mr. James White. 



