XL THE ROYAL SOCIETY OF CANADA 



27. — On the Infra-Red Spectrum of the Mercury Arc. By Prof. 

 J. C. McLennan, F.R.S.C. and Mr. R. C. Dearie, B.A. 



28. — Secondary Cathode Rays from Gases. By A. Norman 

 Shaw, D.Sc, Macdonald College. Presented by Prof. H. T. Barnes, 

 F.R.S.C. 



29. — Waves in a Jet of Water. By Mr. Otto Maas. Presented 

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



30. — The Diffusion of Oxygen Through Silver. By F. M. G. 

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



31. — On Osmosis in Soils. By C. J. Lynde, Professor of Physics, 

 and V. V. Dupré, Research Assistant under the Dominion Grant for 

 Agriculture, Macdonald College. Presented by Prof. H. T. Barnes, 

 F.R.S.C. 



32. — On the Diurnal Changes in Magnetic Horizontal Force at 

 Agincourt, 1902-1912. By W. E. W. Jackson, M.A. Presented by 

 R. F. Stupart, F.R.S.C. 



33. — Comparison of the Callendar Sunshine Receiver and the 

 Ansgtrom Pryheliometer. By John Patterson, M.A. (Cantab). 

 Presented by R. F. Stupart, F.R.S.C. 



34. — A Self-Recording Instrument for Measuring Earth Tem- 

 peratures. By John Patterson, M.A. (Cantab). Presented by R. F. 

 Stupart, F.R.S.C. 



35. — The Crushing Strength of Ice. By Prof. H. T. Barnes, 

 F.R.S.C. and Mr. H. M. Mackay. 



36. — On the Flow of Air in Two-Dimensional Channels with 

 special reference to the Stability of Stream Line Motion. By Louis 

 Vessot King, M.A. (Cantab). 



37. — The Effect of Strain on the Thermal Expansion of Quartz. 

 By Prof. H. T. Barnes, F.R.S.C. 



38. — The Separation and Determination of Nickel and Cobalt. By 

 Prof. T. L. Walker. Presented by Prof. W. H. Ellis. 



39. — On the Distribution of Air Velocity in the Neighbourhood 

 of a Rotating Cylinder. By A. Gray, B.Sc, and Louis Vessot King, 

 M.A. (Cantab). 



40. — On the Resolution of Spectral Lines by an Electric Field. 

 By Prof. J. C. McLennan, F.R.S.C. and Mr. K. H. Kingdon, B.A. 



41.— Oh the Study of Rontgen Ray Spectra. By Prof. J. C. 

 McLennan, F.R.S.C, Mr. A. R. McLeod, M.A., and Mr. R. L. 

 Lewis, B.Sc. 



42.— The "Ninhydrin" Reaction. By Dr. V. J. Harding. Pre- 

 sented by Prof. R. F. Ruttan, F.R.S.C. 



On the motion of Dr. Plaskett, seconded by Dr. Barnes, the report 

 of Section HI was adopted. 



