[ xiv ] 
VII, On Plane Cuhics. Ihj Charlotte Angas Scott. Cummunicated by Dr. A. R. 
Forsyth, F.R.S ... page 247 
VTTL On the Whirliny and Vibration of Shafts. By Stanley Dunkerley, M.Sc., 
Berkeley Fellow of the Owens College, Manchester. Communicated by Pro¬ 
fessor Osborne Reynolds, F.R.S. .. 279 
IX. Experimental Investigations on the Effective Temperature of the Sun, made at 
Daramona, Streete, Co. Westmeath. By William E. Wilson, M.R.I.A., and 
P. L. Gray, B.Sc., A.R.C.S., Lecturer in Physics, Mason College, Birming¬ 
ham. % G. Johnstone Stoney, A.A.S'.361 
Index to Part I. 
396a 
