xvi 



XII. " The Phenomena of Luminosity and their Possible Correla- 

 tion with Radio-Activity." By Professor H, E. Arm 

 strong, F.R.S., and Dr. T. Martin Lowry. 



XIII. " Cyanogenesis in Plants. Part III. — On Phaseolunatin, the 



Cyanogenetic Glucoside of Phaseolunatus." By Pro- 

 fessor W. R. Dunstan, F.R.S., and Dr. T. A. Henry. 



XIV. "The Magnetic Expansion of some of the Less Magnetic 



Metals." By Dr. P. E. Shaw. (With an Appendix by 

 G. A. Schott.) Communicated bv Professor Poynting, 

 F.R.S. 



XV. " A Study of the Interaction of Mercury and Nitric Acid." 

 By Professor Chandra Ray. Communicated by Sir 

 Henry Roscoe, F.R.S. 



XVI. "Separation of Solids in the Surface-layers of Solutions and 

 Suspensions." By Dr. W. Ramsden. Communicated 

 by Professor F. Gotch, F.R.S. 



XVII. " Some Preliminary Observations on the Assimilation of 

 Carbon Monoxide by Green Plants." By Professor W. 

 B. Bottomley and Professor Herbert Jackson. Com- 

 municated by Professor Reynolds Green, F.R.S. 



XVIII. " On the Oocyte of Tomopteris." By W. Wallace. Com- 

 municated by Professor McIntosh, F.R.S. 



XIX. " Upon the Bactericidal Action of some Ultra-violet Radia- 

 tions as produced by the Continuous Current Arc." By 

 J. E. Barnard and H. de R. Morgan. Communicated 

 by Sir Henry Roscoe, F.R.S. 



XX. "The Longitudinal Stability of Aerial Gliders." By Pro- 

 fessor G. H. Bryan, F.R.S., and W. E. Williams. 



XXI. " On the Synthesis of Fats accompanying Absorption from 

 the Intestine." By Professor B. Moore. Communicated 

 by Professor Sherrington, F.R.S. 



XXII. " Radiation in the Solar System. — Its Effect on Temperature 

 and its Pressure on Small Bodies." By Professor J. H. 

 Poynting, F.R.S. 



XXIII. "The Properties of Aluminium-Tin Alloys." By Dr. W. 



Carrick Anderson and G. Lean. Communicated by 

 Professor Miers, F.R.S. 



