CONTENTS 



SECTION A -MATHEMATICAL, ASTEONOMICAL, AND PHYSICAL 



SCIENCE. 



Fitzgerald {Bev. R.), M.Sc, Ph.D. :— 

 See under McClelland (J. A.). 



Fky (M. W. J.), M.A., F.T.C.D. :— 



Impact in three Dimensions, ....... 75 



Kennedy (H.), M.A., M.Sc. :— 



The Large Ions and Condensation-nuclei from Flames, ... 58 



Leathem (J. G.), M.A., D.Sc. :— 



On Periodic Conformal Curve-factors and Corner-factors, . . 35 



McClelland (J. A.), D.Sc, F.R.S., and Eev. R. Fitzgerald, M.Sc, Ph.D. :— 



Photo-electric Discharge from Leaves, ...... 1 



McClelland (J. A.), D.Sc, F.R.S., and P. J. Nolan, M.Sc. :— 



The Nature of the Ions produced by bubbling Air through Mercury, 24 



Nolan (J. J.), M.A., M.Sc. :— 



The Mobilities of the Ions produced by spraying Distilled Water, . 9 



Nolan (P. J.), M.A., M.Sc. :— 



See under McClelland (J. A.). 



