PRESSHTED 
11 NOV. 1808 
PHILOSOPHICAL TRANSACTIONS 
OF THE 
ROYAL SOCIETY OE LONDON 
Series A, YOL. 208, pp. 475-528. 
[Plates 32-33.] 
THE ABSORPTION SPECTRA OE THE VAPOURS OF BENZENE 
AND ITS HOMOLOGUES, 
AT DIFFERENT TEMPERATURES AND PRESSURES, 
AND OF SOLUTIONS OF BENZENE 
BY 
WALTER NOEL HARTLEY, D.Sc., F.R.S., 
ROYAL COLLEGE OF SCIENCE, DUBLIN. 
LONDON: 
PUBLISHED BY THE ROYAL SOCIETY 
AND SOLD BY HARRISON AND SONS, ST. MARTIN’S LANE. 
DULAU AND CO., 37, SOHO SQUARE, W. 
FRIEDLANDER AND SON, BERLIN. 
1908. 
A 439. 
Price Three Shillings and Sixpence. 
26.10.08 
