(January, 1909. ] 
THE 
SCLENTIFIC TRANSACTIONS 
OF THE 
MOV DUS biN SOCIHTY. 
VOLUME IX.—(SERIES IL) 
\ltOt 
THE ERUPTION OF VESUVIUS IN APRIL, 1906. 
BY 
H. J. JOHNSTON-LAVIS, M.D., D.Cu., F.G.S., urc., 
Late Professor of Vulcanology in the Royal University of Naples. 
(Puaves ITI.-XXIII., inctuptne two Maps.) 
[ COMMUNICATED BY PROF. GRENVILLE A. J. COLE, M.R.I.A., F.G.S. | 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 
LEINSTER HOUSE, DUBLIN. 
WILLIAMS AND NORGATE, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND GIBBS 
1909. 
Keisonian NSH 
2 
APR 5 i909 } 
f 
Price Stix Shillings. 
