PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
SESSION 1907-8. 
Part IX.] VOL. XX VIII. [Pp- 657-763. 
CONTENTS. 
NO. PAGE 
XLI. The Theory of General Determinants in the Historical Order 
of Development np to 1860. By Thomas Mum, LL.D., 676 
{Issued separately November 6, 1908.) 
XLII. An Improved Method of Esterification. By G. E. Gibson, B.Sc., 703 
{Issued separately November 6, 1908.) 
XLIII. Nitric Anhydride as a Nitrating Agent. By G. E. 
Gibson, B.Sc., . . . . . .705 
{Issued separately November 13, 1908.) 
XLIY. Combustion Analysis. By James Walker, F.R.S., and 
Thomas Blackadder, B.Sc., University College, Dundee, 708 
{Issued separately November 13, 1908.) 
Appendix — 
Proceedings of the Statutory General Meeting, 1907, . . 715 
Proceedings of the Ordinary Meetings, Session 1907-1908, . 716 
Laws of the Society, . . . . . .723 
[ Continued on page iv of Cover,. 
EDINBURGH : 
Published by ROBERT GRANT & SON, 107 Princes Street, and 
WILLIAMS & NORGATE, 14 Henrietta Street, Coyent Garden, London., 
MDCCCCVIII. 
Price Four Shillings. 
