4. Trade and Commerce.

5. Mechanics and Architecture.

6. Husbandry and American Improvements.”

The same original laws and regulations of the Society indicate the style of the several officers of the institution, and prescribe the duties of their respective stations: they likewise direct the manner in which the general economy of the Society shall be managed, and their proceedings, in the more appropriate business of their institution, arranged and conducted. “These Rules,” say the Society (in an Advertisement prefixed to the first volume of their Transactions,) “were adopted from the Rules of that illustrious Body, the Royal Society, of London; whose example the American Philosophical Society think it their honour to follow, in their endeavours for enlarging the sphere of knowledge and useful arts.”

The Officers of the Philosophical Society are—a patron, who is the governor of the state for the time being—a president—three vice-presidents—a treasurer—four secretaries, and three curators,—together with twelve counsellors; which last board of officers was created by an act of the legislature, in the year 1780, and the same law designates the duties of their appointment.

The number of members of this Society is not limited: it consisted of three hundred, forty years ago; and, probably, now amounts to about four hundred and fifty. Of this number, however, a large proportion is made up of foreigners; many of whom are eminent personages, and men of the most distinguished abilities in various departments of science, in different parts of the world.

The Proceedings, hitherto, of this very respectable association of literary and scientific characters, have been published in six[[250]] quarto volumes, denominated the “Transactions” of the Society: Besides which, several learned and ingenious Orations—including two or three of much eloquence, under the title of Eulogiums—have been delivered before the Society and by their appointment, by members of their body.

These outlines will serve to furnish the reader with some ideas of the nature, condition, and character of an institution, which has, in many respects, reflected honour on the country to which it belongs. Its usefulness,[[251]] it is earnestly to be wished, will not be suffered to diminish, by any declension of that noble ardour in cultivating, that public spirit in promoting, learning and science, which, while they adorn the names of individuals, contribute to the glory of a nation. Let a hope be still cherished, that notwithstanding the tumult, the folly, and the distractions, which at the present day pervade a large portion of the civilized world, the period is not remote, when tranquillity, good sense and order, shall resume their blest dominion over the conduct of the too many now infatuated nations of the earth.—Let a belief be yet encouraged, that under the guidance of a benign Providence, not only the rising generation will be found zealous to emulate the fair fame of a Franklin and a Rittenhouse; but even, that good and rational men in our own time, and among ourselves, will continue to cultivate the arts of peace, and to promote those objects of literature and science, which, at the same time they meliorate the heart and elevate the mind, contribute to the happiness of the individual and the general welfare of mankind.

Dr. Rittenhouse’s attachment to the interests of the institution of which he had been thus recently elected President, was amply manifested soon after. In the month of November, of the same year, he presented to the Society, the sum of 308l. (equivalent to 821⅓ dollars,) for the purpose of discharging a debt due by their corporation to the estate of the late Francis Hopkinson, Esq. the treasurer, then deceased. This liberal donation was thankfully received; and the acknowledgments of their grateful sense of it were made to the donor, by the following address,—expressive as well of their feelings on the occasion, as of the high opinion they entertained of his merits and character.

“To David Rittenhouse, Esq. LL.D. President of the American Philosophical Society, held at Philadelphia, for promoting Useful Knowledge.