With great sacrifices, both of pleasure and of interest, I have humbly endeavoured to supply this desideratum; and it remains for other men to determine, and other times to know, what place shall be given to these my labours, in the general story of this branch of learning.

In the personal allusions which occur through the work, the author exhibits, as we have before noticed, a freedom from malice and all uncharitableness, and in many of them has attained that happy desideratum which Dryden considered a matter of so much difficulty: "How easy is it," he observes, "to call rogue and villain, and that wittily!

" "Then," I proceeded, "have you effected the other great desideratum, the fixing of mercury?" "Than that process," said he, "there is nothing more easy; at the same time it is proper I should inform you, that there are a class of impostors, who mistaking the ancient writers, pretend it can be done by heat; but I can assure you, it can only be effected by water.

Mr. WINSTON CHURCHILL said that none of the speakers had mentioned the most essential desideratum of a hat, and that was that it should be too small.