PHILOSOPHICAL TRANSACTIONS 
OF THE - 
ROYAL SOCIETY OF LONDON. 
Series A, Yol. 217. Pp. 411-430. 
ON THE PHOTOGRAPHIC SPECTRA OE 
METEORITES. 
BY 
Sir WILLIAM CROOKES, O.M., F.R.S., LL.D., D.Sc., &c. 
LONDON: 
559 . 
PUBLISHED BY THE ROYAL SOCIETY, 
AND SOLD BY HARRISON AND SONS, ST. MARTIN’S LANE, W.C., 
Printers in ©riftnara to Hu! iEajesftg. 
1917. 
21.12.17. 
Price Three Shillings and Sixpence. 
