WILLIAM WALLACE, F. R. S. E. one of the Professors of Mathematics, Royal Military College, Sandhurst.

It only remains to be mentioned, that, at the end of each Volume, there will be given a Key to the marks annexed to its Articles and Treatises ; by

which means, the purchasers of the Work will be regularly informed of the names of those by whom they were written. This plan, originally adopted in the French Encyclopédie, seems eminently calculated to increase the confidence of the public in such undertakings.

MACVEY NAPIER.

Edinburgh, November 1815.

EXHIBITING A GENERAL VIEW

OF THE