12 EIGHTEENTH ANNUAL REPORT OF THE REGENTS. 



Granite : Dix Island, Me. 



Used for front of Treasury building, Washington, 



Mica Schist (Potomac Blue rock) : Washington, D.C. 

 Foundation of Treasury building. 



Granite : Baltimore county, Md. 

 Basement of Treasury building. 



Granite, Mica Schist (Blue rock) : Dix island, Me. 



Foundation of Treasury building, Smithsonian Institution & Patent Office. 



White Crystalline Limestone (White Marble) : Baltimore co. 

 Post-Office building. [Md 



White Lamellar Limestone : Texas, Md. 



AV^ashington Monument and Post-Office. 



Mica Schist (Blue rock) : District of Columbia. 

 Foundations of the Capitol and Post-Office. 



Red Sandstone (Seneca Brownstone) : Seneca, Md. 

 Smithsonian Institution and Georgetown Aqueduct. 



Sandstone (Potomac Sandstone) : Aquia creek, Va. 



Old Treasury building, Old Capitol and Executive Mansion. 



Compact Limestone (Calico Marble) : Montpelier, Vt. 

 Decorations of House of Representatives and Treasury. 



Saccharoidal Limestone (White Marble) : North-Lee, Mass. 

 Capitol Extension. 



Saccharoidal Limestone (White Marble) : Plains of Marathon, 



Canaanite : Canaan, Conn. [Greece. 



Magnetite : Iron mountain. Miss. 



Franklinite and Zincite : Franklin, N.J. 



Chalybite : Litchfield, Conn. 



Magnetite : Essex county, N.Y. 



Graphic Granite (Pegmatite) : New-Bedford, Mass. 



Native Copper in Vein-stone or Trap : Lake Superior. 



Gray Sulphuret of Copper : Lake Superior. 



From C. S. WOODWARD, Mount Hope, Orange county. 

 Sulphuret of Lead, from Erie Mine. 



do. from Mount Hope Empire Mining Company. 



Sulphuret of Copper, from Otisville Mining Company. 



From CHARLES F. WADSWORTH, Buffalo. 

 Gallery of Casts of Fossil Animals. See Prof. Ward's Paper (B). 



lY. To the Historical and Antiquarian Department. 



From E. COCHRAN, Coxsackie. 

 Ten Arrowheads of Chert, found at Coxsackie. 



II. Additions by purchase. 



To the Zoological Department. 

 Rangifer tarandus, the Reindeer : Skulls with the horns, male & female. 



Ovibos moschatuSj the Musk-ox : A skull. 



Eggs of the following Domestic and Foreign Birds : 



