District of Pennsylvania. To wit : 



(l. s.) Be it ftememftereti* That on the twenty- 



third day of March — in the twenty-eighth year of the Indepen- 

 dence of the United States of America — Jane Aitken of the 

 said District hath deposited in this office, the Title of a Book, the 

 right whereof she claims as Proprietor, in the words following to 



wit : 



" Transactions of the American Philosophical Society, held at 

 " Philadelphia, for promoting nseful knowledge." 



VOLUME VI.— PART L 



In conformity to the Act of the Congress of the United States, en- 

 tituled, " An Act for the encouragement of Learning, by securing 

 the copies of Maps, Charts, and Books to the Authors and Pro- 

 prietors of such copies during the times therein mentioned" And 

 also to the act entituled " An Act supplementary to an act entituled, 

 " An Act for the encouragement of Learning by securing the 

 copies of Maps, Charts and Books to the Authors and Proprie- 

 tors of such Copies during the times therein mentioned" and ex- 

 tending the benefits thereof to the Arts of designing, engraving and 

 etching historical and other prints," 



D. CALDWELL, 



Clerk of the District of Pe/msyluania. 



