XLIV ROYAL SOCIETY OF CANADA 



18.— " Deficient Humidity of the Atmosphere." By Profs. T. A. 

 Starkey and H. T. Barnes, McGill University. 



19. — " Wireless Time Signals from the St. John Observatory of the 

 Canadian Meteorological Service.'' By D. L. Hutchinson. Communi- 

 cated by E. F. Stupart. 



20.—" A Study of the Bunsen Ice Calorimeter." By F. H. Day, 

 B.Sc. Communicated by Prof. H. T. Barnes. 



21. — " The Production of Hydrogen Peroxide by Aluminum." By 

 Geo. W. Shearer, M.Sc. Communicated by Prof. H. T. Barnes. 



22. — " Some Phenomena of the Persistence of Vision." By Prof. 

 Frank Allen, University of Manitoba. Communicated by Prof. H. T. 

 Barnes. 



23. — " Researches in Physical Chemistry carried out in the Uni- 

 versity of Toronto during the past year." Communicated by Dr. W. 

 Lash Miller. 



24. — " The Inorganic Constituents of the Water of the Ottawa 

 Eiver." By Frank T. Shutt, M.A., F.I.C., and A. Gordon Spencer, 

 M.Sc. 



Report of Publication Committee of Section III. 



The publication committee of Section III reconmiend that all the 

 papers presented to the Section be printed in the Transactions. 



They further recommend that the following papers be printed in 

 bulletin form: — 



1. — " On an Improvement in the Method of Determining Visibility 

 Curves." By Ç. S. Wright. 



2. — " On the Charges gained by Insulated Met-allic Conductors sur- 

 rounded by other Conductors, and the Eolation of these Charges to the 

 Volta Effect." By J. K. Eobertson. 



3. — " On the Absorption of the different types of Beta-rays, together 

 with a study of the Secondary Eays excited by them." By V. E. Pound. 



4. — " On the Eadio-activity of Potassium and other Alkali Metals." 

 By Prof: J. C. McLennan and W. T. Kennedy. 



5. — " On the Constitution and Properties of Heusler's Alloys, 

 including a Study of their Microstructure." By H. A. McTaggart. 



6. — " The Secondary Gamma-rays due to the Gamma-rays of Ra- 

 dium C." By Prof. A. S. Eve. 



7. — " Some further Results on the Absorption of Thorium Emana- 

 tion By Charcoal." By E. W. Boyle. 



