A 
GENERAL I N 
Hi X 
TO T H E 
PHILOSOPHICAL TRANSACTIONS, 
FROM THE FIRST TO THE END OF 
. THE SEVENTIETH VOLUME. 
By PAUL HENRY MATY, M. A. F.R.S. 
Under Librarian to the British Museum. 
LONDON: 
Printed for Lockyer Davis and Peter Elmsly, 
Printers to the Royal Society. 
M DCC LXXXVIL 
