CONTENTS 



SECTION A.-MATKKMATICAL, ASTRONOMICAL, AND PHYSICAL 



SCIENCE. 



PAOB 



Hitchcock (Frank L.), Ph.D., : — 



On the Simultaneous Formulation of two Linear Vector Functions, . 1 



Leathem (J. G.), M.A., D.So. : — 



On Two-dimensional Fluid Motion, with Free Stream-Lines, past an 



obstacle of Curved Outline, . . . . . . .11 



McClelland (J. A.), D.So., F.R.S., and Rev. C. J. Power, S.J., M.Sc. :— 



Electrification by Friction, ........ 40 



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



The Ions produced by bubbling Air through Alcohol, ... 51 



Nolan (P. J.), M.Sc. :— 



See under McClelland (J. A.). 



Plumjier (H. 0.), M.A. :— 



On the Symmetrical Optical Instrument, ..... 67 



Power (Rev. C. J.), S.J., M.Sc. :— 



See wilder McClelland (J. A.). 



Roberts (Rev. VI. R. W.), D.D., S.F.T.C.D. :— 



On the Equation of the Tangent at a given point on a Uni-nodal 



Quartic Curve, ...... ... 62 



