THE BOTANISTS OF PHILADELPHIA. 423 



3. Transactions of the American Philosophical Society, 

 held at Philadelphia, for Promoting Useful Knowledge. 

 Volume I, from January 1, 1769, to January 1, 1771 ; 

 Philadelphia, 1771, large octavo. Second edition corrected 

 1789, runs until Volume VI, 1809, the size of the page 

 gradually increasing. Volume I, new series, Philadelphia, 

 1818, runs to Vol. XVI, 1890. 



4. Journal of the Academy of Natural Sciences of Phila- 

 delphia. Volume I, Part 1, 1817. Part 2, 1818, running to 

 Vol. VIII, Part 1, 1839, and Part 2, 1842, when it was 

 enlarged to quarto. Volume I, second series, 1847-1850, 

 running to the last number issued, Volume XI, Part 2, 1899. 



5. Proceedings of the Academy of Natural Sciences of 

 Philadelphia, Volume 1, 1841, 1842, 1843, octavo; printed 

 in 1843, running to present year. 



6. The Franklin Journal and American Mechanics' 

 Magazine, devoted to the Useful Arts, Internal Improvements 

 and General Science, under the Patronage of the Franklin 

 Institute of the State of Pennsylvania, Volume I, Phila- 

 delphia, 1826, octavo running to Volume IV, 1827, when it 

 was named : Journal of the Franklin Institute of the State 

 of Pennsylvania, devoted to the Mechanic Arts, Manufactures, 

 General Science, and the recording of American and other 

 Patented Inventions. Volume I, new series, 1828, ran to 

 Volume XXVI, 1840, when the third series was hegim, 

 running to date (74th year). In Volume XVII, 1836, the 

 title was again changed to read : Journal of the Franklin 

 Institute of the State of Pennsylvania and Mechanics" 

 Register, devoted to Mechanical and Physical Science, Civil 

 Engineering, the Arts and Manufactures, and the recording 

 of American and other Patented Inventions. The title was 



