BUILDING AND ORNAMENTAL STONES. 591 



Slate. Lower Silurian. Blue-black. 4 by 4 by 3 inches. Chapman's Station, North- 

 ampton Couuty. Chapman's New York Slate Company. Tenth Census, 1880. 

 25820. 



Lower Silurian. Blue-black. Bangor, Northampton Couuty. Bangor Slate 



Company. Tenth Census, 1880. 25934. 



Lower Silurian. Blue-black. Slatedale, Lehigh County. Quarries of the Lock 



Slate Company. Tenth Census, 1880. 25959. 



— — Lower Silurian. Blue-black. 4 by 4 by 2^ inches. Catasauqua, Lehigh County. 

 Tenth Census, 1880. 25993. 



Lower Silurian. Blue black and brownish. Three specimens. Bangor, North- 

 ampton County. Bangor Slate Company. Tenth Census, 1880. 25934. 



Lower Silurian. Blue-black. Slatington, Lehigh County. Quarry of Kuutz 



& Jacobs. Tenth Census, 1880. 26912. 



Lower Silurian. Blue-black. Slatington, Lehigh County. Quarry of J. Hess 



& Co. Tenth Census, 1880. 26913. 



Lower Silurian. Blue-black. Two specimens. Slatington, Lehigh County. 



Pennsylvania quarries. Tenth Census, 1880. 26914. 



Archaean (?) Blue-black. Bangor, York County. Peach Bottom Slate Com- 

 pany. Tenth Census, 1880. 25949. 



Archaean (?) Blue-black. Slab 8 inches square. West Bangor, York County. 



Quarry of R. L. Jones & Co. Tenth Census, 1880. 26480. 



Archaean (?) Blue-black. 4 by 4 by 1£ inches. West Bangor, York County. 



Quarry of W. C. Parry & Co. Tenth Census, 1880. 26852. 



Archaean (?) Blue-black. Slab 8 inches square. West Bangor, York County. 



Quarry of W. C. Parry & Co. Tenth Census, 1880. 26853. 



RHODE ISLAND. 



Biotite granite. Fine ; gray. Near Westerly, Washington County. Smith Granite 

 Company. Tenth Census, 1880. 25491. 



Medium; light pink. Near Westerly, Washington County. Smith Granite 



Company.' Tenth Census, 1880. 25492. 



Fine; gray. Near Westerly, Washington County. New England Granite 



Works. Tenth Census, 1880. 25510. 



Fiuo ; gray. Near Westerly, Washington County. New England Granite 



Works. Tenth Census, 1880. 25511. 



Fine; gray. Foot cube. Westerly, Washington County. Centennial, 1870. 



17526. 

 — — Fine; pink. Westerly, Washington County. Centennial, 1876. 17553. 



Fine; gray. Near Westerly, Washingfrm County. Smith Granite Company. 



Tentb Census, 1880. 25490. 



Medium ; gray. Near Westerly, Washington County. C. P. Chapman's quarry. 



Tenth Census, 1880. 25529. 

 Fine ; pink. Near Westerly, Washington County. C. P. Chapman's quarry. 



Tenth Census, 1880. 25530. 

 Medium; pink. Near Westerly, Washiugton County. New England Granite 



Works. Tenth Census, 1880. 25512. 

 Fine ; gray. Near Westerly, Washington Couuty. C. P. Chapman's quarry. 



Tenth Census, 1880. 25528. 

 Medium; pink. Six-inch cube. Westerly, Washington County. NowEugland 



Granite Works. Tenth Census, 1880. 26998. 

 Fine; gray. Six-inch cube. Westerly, Washington County. New Euglaud 



Granite Works. Tenth Census, 1880. 26999. 



