NATIOlSrAL ACADEMY OF SCIENCES. 

 Volume XIV. 



FIRST INIKMOIR. 



REPORT ON RESEARCHES ON THE CHEMICAL AND MINERAL- 



OGICAL COMPOSITION OF METEORITES, WITH ESPECIAL 



REFERENCE TO THEIR MINOR CONSTITUENTS. 



BY 



GEORGE PERKINS MERRILL, 



HEAD CURATOR OP GEOLOGT, UNITED STATES NATIONAL MUSEUM. 



