That one society be formed of _virtuosi_ or ingenious men, residing in the several colonies, to be called _The American Philosophical Society_, who are to maintain a constant correspondence. That Philadelphia, being the city nearest the centre of the continent colonies, communicating with all of them northward and southward by post, and with all the islands by sea, and having the advantage of a good growing library, be the centre of the Society. That at Philadelphia there be always at least seven members, viz. a physician, a botanist, a mathematician, a chemist, a mechanician, a geographer, and a general natural philosopher, besides a president, treasurer, and secretary. That these members meet once a month, or oftener, at their own expense, to communicate to each other their observations and experiments, to receive, read, and consider such letters, communications, or queries as shall be sent from distant members; to direct the dispersing of copies of such communications as are valuable, to other distant members, in order to procure their sentiments thereupon. That the subjects of the correspondence be: all new-discovered plants, herbs, trees, roots, their virtues, uses, &c.; methods of propagating them, and making such as are useful, but particular to some plantations, more general; improvements of vegetable juices, as ciders, wines, &c.; new methods of curing or preventing diseases; all new-discovered fossils in different countries, as mines, minerals, and quarries; new and useful improvements in any branch of mathematics; new discoveries in chemistry, such as improvements in distillation, brewing, and assaying of ores; new mechanical inventions for saving labour, as mills and carriages, and for raising and conveying of water, draining of meadows, &c.; all new arts, trades, and manufactures, that may be proposed or thought of; surveys, maps, and charts of particular parts of the sea-coasts or inland countries; course and junction of rivers and great roads, situation of lakes and mountains, nature of the soil and productions; new methods of improving the breed of useful animals; introducing other sorts from foreign countries; new improvements in planting, gardening, and clearing land; and all philosophical experiments that let light into the nature of things, tend to increase the power of man over matter, and multiply the conveniences or pleasures of life. That a correspondence, already begun by some intended members, shall be kept up by this Society with the ROYAL SOCIETY of London, and with the DUBLIN SOCIETY. That every member shall have abstracts sent him quarterly, of every thing valuable communicated to the Society's Secretary at Philadelphia; free of all charge except the yearly payment hereafter mentioned.