CONTENTS 



SECTION A.-MATIIEMATIOAL, ASTRONOMICAL, AND PHYSICAL 



SCIENCE. 



PAOB 



GiLMouR (A.), M.Sc. : — 



See under McClelland (J. A.) and A. Giljiour. 



Hitchcock (Frank L.), Ph.D. : — 



A Study of the Vector Product F<^a^;S, 30 



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



Further Observations of the Electric Charge on Rain, ... 13 



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



The Nature of the Ions produced by Phosphorus, .... 1 



Nolan (J. J.), M.A., D.Sc. :— 



The Nature of the Ions produced in Air by radio-active Bodies, . 38 



N0L.4N (P. J.), M.Sc. :— 



See under McClelland (J. A.) and P. J. Nolan. 



