notions upon rising ground, as the flaccid sides of a football would have swelled out into stiffness and extension.
For this reason I never think myself qualified to judge decisively of any man's faculties whom I have only known in one degree of elevation; but take some opportunity of attending him from the cellar to the garret, and try upon him all the various degrees of rarefaction and condensation, tension and laxity. If he is neither vivacious aloft, nor serious below, I then consider him as hopeless; but as it seldom happens, that I do not find the temper to which the texture of his brain is fitted, I accommodate him in time with a tube of mercury, first marking the points most favourable to his intellects, according to rules which I have long studied, and which I may, perhaps, reveal to mankind in a complete treatise of barometrical pneumatology.
Another cause of the gaiety and sprightliness of the dwellers in garrets is probably the increase of that vertiginous motion, with which we are carried round by the diurnal revolution of the earth. The power of agitation upon the spirits is well known; every man has felt his heart lightened in a rapid vehicle, or on a galloping horse; and nothing is plainer, than that he who towers to the fifth story is whirled through more space by every circumrotation, than another that grovels upon the ground-floor. The nations between the tropicks are known to be fiery, inconstant, inventive, and fanciful; because, living at the utmost length of the earth's diameter, they are carried about with more swiftness than those whom nature has placed nearer to the poles; and therefore, as it becomes
