BUILDING AND ORNAMENTAL STONES. 605 



Slate. Cambrian; green. 4 by 4 by 1|" inches. Two specimens. Poultney, Rutland 

 County. Eureka quarry. Tenth Census, 1880. 27183. 



VIRGINIA. 



Steatite [soapstone]. Medium; compact; blue-gray. Near Langley, Fairfax 

 County. Tenth Census, 1880. 25254. 



Very light colored, schistose. Near Falls Church, Fairfax County. E. L. 



Howard, 1883. 28649. 

 Gypsum. Coarse; gray; white mottled. Saltville, Smyth County Ilolston Sale 

 and Plaster Company. Centennial, 1876. 27120. 



White; dark veined. Saltville, Smyth County. Quarries of Stuart & Palmer. 



Centennial, 1876. 27153. 

 Limestone [stalagmitic marble]. About 13 by 8 inches. Luray, Page County. 

 From Luray Cave. Gift of Henry Horan, 1855. 37643. 



About 14| by 10£ by 7£ inches. Luray, Page County. From Luray Cave. 



Robert Corson, 1881. 25637. 



About 4| by 3£ by 3f inches. Luray, Page County. From Luray Cave. Robert 



Corson, 1881. 25374. 

 Limestone [stalagmite marble]. Light brown. 4|by2 by 1 inches. Rockbridge 

 County. U. S. General Land Office, 1882. 27268. 



A polished slab 14 by 15 by % inches, mounted in a black frame. Taken from a 



small cave that had become completely filled up by the stalagmitic deposit. 

 Locality, about 20 miles northwest from Lexington, Rockbridge County. 

 Dr. George W. Hawes. 26434. 

 Limestone [marble]. Cross-section of a stalagmite. Oval in shape; about 8 J by 6 

 by 2 inches. Luray Cave, Page County. Robert R. Corson, 1881. 27056. 



Pink, crystalline. Near Aldie, Loudoun County. Miss Carter's quarry. E. 



Howard, 1883. 36788. 



Upper Silurian. Gray with pink spots ; fossiliferous. Craigsville, Augusta 



County. Coral Marble Company. Tenth Census, 1880. 25481. 



Upper Silurian. Reddish ; fossiliferous; semi-crystalline. Craigsville, Augusta 



County. Craig's quarry. Tenth Census. 25598. 



Dolomite [marble]. Red ; finely crystalline. Madison Run Station, Orange County. 

 H. T. & W. G. Douglass, 1882. 26989. 



Calcareous Dolomite [marble]. Pale ; pink ; crystalline. Loudoun County. Lou- 

 doun County Marble Quarry. Tenth Census, 1880. 27073. 



Marble. Red and green mottled. 6 by 4 by 1 inches. Ashby's Gap, Cumberland 

 County. A. S. Payne's quarry. Centennial, 1876. 27198. 



Magnesian Limestone [marble]. Upper Silurian. Gray, with pink spots ; fossil- 

 iferous. Craigsville, Augusta County. Coral Marble Company. Tenth Census, 

 1880. 25482. 



Gray, and dark-blue gray, nearly black. Two specimens. Near Natural 



Bridge, Rockbridge County. J. G. Steele's quarry. Tenth Census, 1880. 

 26752. 

 Biotite granite. Medium ; gray and greenish gray. Two specimens. Namozin 

 district, Din widdie County. D. W. Lassiter's quarry. Tenth Census, 1880. 25278. 



Medium; greenish gray. Namozin district, Dinwiddie County. May field 



quarry. Tenth Census, 1880. 25279. 



Medium; gray. Granite, Chesterfield County, Old Dominion Granite Com- 



pany. Tenth Census, 1880. 25272. 



