XXIV THE ROYAL SOCIETY OF CANADA 



Emanation Standard. By J. H. L. Johnstone, M.B.E., Ph.D. Pre- 

 sented by H. L. Bronson, Ph.D., F.R.S.C. 



15. — The Effect of Thermo-Luminescence on Electrical Con- 

 ductivity. By C. A. Mackay, B.A. Presented by H. L. Bronson, 

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



16.— The Anemometer Factor. By J. Patterson, M.A., F.R.S.C. 



17.— Pilot Balloon Methods in Canada. By J. Patterson, M.A., 

 F.R.S.C. 



18. — On Some New Formulae for the Direct Numerical Calcula- 

 tion of the Coefficient of Mutual Induction of Coaxial Circles. By 

 Louis V. King, D.Sc, F.R.S.C. 



19. — On a New High Frequency Vibration Galvanometer. By 

 Louis V. King, D.Sc, F.R.S.C. 



20. — On the Photographic Recording and Measurement of 

 Radio-telegraph Signals. By Louis V. King, D.Sc, F.R.S.C. 



21. — On a New Lecture Room Illustration of Atomic Models. 

 By Louis V. King, D.Sc, F.R.S.C. 



22.^ — On the Refractive Indices of Metallic Vapours. By Pro- 

 fessor J. C. McLennan, F.R.S.C. 



23.- — On the Absorption Spectrum of Liquid and Gaseous Oxygen. 

 By W. W. Shaver, M.A. Presented by Professor J. C. McLennan, 

 F.R.S.C. 



24. — On the Structure of the Balmer Series Lines of Hydrogen. 

 By Professor J. C. McLennan and Mr. P. Lowe. 



25.^ — On the Spectrum of Helium, Hydrogen and Carbon in the 

 Extreme Ultraviolet. By Professor J. C. McLennan and Mr. P. A. 

 Pétrie. 



26. — On the Liquefaction of Hydrogen. By Professor J. C. 

 McLennan, F.R.S.C. 



27. — Nitrophthalic anhydrides and acetylamino-phthalic an- 

 hydrides with toluene and aluminium chlorides. By W. A. Lawrence, 

 M.A. Presented by Professor F. B. Allan, F.R.S.C. 



28. — Bromphthalic anhydrides with benzene and aluminium 

 chloride. By H. N. Stephens, B.A. Presented by Professor F. B. 

 Allan, F.R.S.C. 



29. — The Effect of Certain Chemicals on the rate of Reproduction 

 of Yeast. By N. A. Clark, B.S.A., M.A. Presented by Prof. W. Lash 

 Miller, F.R.S.C. 



30.- — ^The passage of Hydrogen and of Helium through Silica 

 Tubes. By Prof. J. B. Ferguson and G. A. Williams, B.Sc Pre- 

 sented by W. Lash Miller, F.R.S.C. 



