COMMISSION 

 TO WHICH THE MEMOIR HAS BEEN REFERRED. 



Brantz Mayer, Esq., , . . Of Baltimore. 



Wm. W. Turner, .... Uiiion Theol Sem., N. Y. 



•JOSEPH HENRY, 



Secretary/ of the Smithsonian Institution. 



Washington, D. C, 



July. 18.50, 



PRINTRD liV F.DWARn O. .lENKINS, 

 114 Nassau street, New York. 



