10 



arsce of the magnetic instruments at the Royal Observatory, Green- 

 wich. El Comercio, Lima, 11 de Decembre, 1841. — Diario Com- 

 mercial Politico y Literario, Buenos Aires, Marte 24, 1841. 



SPECIMENS. 



A few specimens of fossils from the coal strata of Halifax, Eng- 

 land. From Mr. Jeremiah Hovvarth, of England. 



A series of coal fossils from Jarrow colHery, Yorkshire, Eng- 

 land. From Prof. J. F. W. Johnston, Durham, England. 



Pickeringite. From Mr. A. A. Hayes, Boston. 



