[NovemBer 3, 1904. ] HP. ve 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
PO DUELIN SOCIETY. 
VOLUME VIII—(SERIES II.) 
XII. 
ON THE STATE IN WHICH HELIUM EXISTS IN PITCHBLENDE. 
BY 
RICHARD J. MOSS, F.1.C., F.C.8. 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
WILLIAMS AND NORGATH, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON: 
20, SOUTH FREDERICK StREET, EDINBURGH: anv 7, BROAD STREET, OXFORD. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND GIBBS, 
1904. 
Price One Shilling. 
