PHILOSOPHICAL TRANSACTIONS 
OF THE 
ROYAL SOCIETY OE LONDON 
Series A, VOL. 202. pp. 277-333. 
Of^ - 
THE DIFFERENTIAL INVARIANTS OF SPACE 
BY 
A. R. FORSYTH, Sc.D., LL.D., P^.R.S., 
SADLERIAN PROFESSOR OF PURE MATHEMATICS IN THE UNIVERSITY OF 
CAMBRIDGE, 
LONDON: 
PUBLISHED FOR THE ROYAL SOCIETY 
BY DULAU AND CO., 37, SOHO SQUARE, W. 
CONTINENTAL AGENTS, MESSRS. FRIEDLANDER AND SON, BERLIN. 
1903. 
26.11.03 
A 353 
Price Three Shillings. 
