INDEX. 
39Gc 
T. 
Taylor (H. M.). On a Special Form of the General Eqaation of a Cubic Surface and on a Diagram 
Representing the Tu'enty-seven Lines on the Surface, 37. 
W. 
Whirling and vibration of shafts, on the, 279 (see Dunkerley). 
Wilson (W. E.) and Gray (P. L.). Experimental Investigations on the Effective Temperature of the 
Sun, made at Daramona, Streete, Co. Westmeath, 361. 
HARRISON AND SONS, PRINTERS IN ORDINARY TO HER ilAJESTY, ST. MARTTN’S LANE, LONDON, W.C. 
