24 MEMOIR OF 



render him wavering as to his future plans; but con- 

 vinced, on reflection, that his educational projects in 

 the West could be no longer fostered or sustained, 

 he resolved to transfer his library at New Harmony 

 to the Academy of Natural Sciences. This rich 

 donation was announced to the Society in the autumn 

 of 1835; and Dr. Charles Pickering, who had been 

 for several years librarian of the institution, was de- 

 puted to superintend the conveyance of the books to 

 Philadelphia; a trust which was speedily and safely 

 accomplished. 



This second library contained 2259 volumes, em- 

 bracing, like the former one, works in every depart- 

 ment of useful knowledge, but especially Natural 

 History and the Fine Arts, together with an exten- 

 sive series of maps and charts. 



Mr. Maclure's liberality, however, was not con- 

 fined to a single institution: the American Geologi- 

 cal Society, established, as we have already mentioned, 

 at New Haven, partook largely of his benefactions 

 both in books and specimens ; and in reference to 

 these repeated contributions Professor Silliman has 

 expressed the following brief but just and beautiful 

 acknowledgment: "This gentleman's liberality to 

 purposes of science and humanity has been too often 

 and too munificently experienced in this country, to 



