576 REPORT ON NATIONAL MUSEUM, 1886. 



Biotite gneiss. Fine; light gray. Near Raleigh, Wake County. W.C.Kerr, 1883. 

 29639. 



Coarse; light gray; indistinctly porphyrinic. Ten miles north of Greens- 



borough, Guilford County. C. H. Scott, 1883. 27593. 



Medium ; light gray. Jamestown, Guilford County. C. H. Scott, 1883. 27611. 



Gneiss. Fine; pink. Concord, Cabarrus County. W. II. Kerr, 1880. 27619. 

 Hornblende biotite gneiss. Medium ; dark gray. Near Alexander, Buncombe, 



County. W. C. Kerr, 1883. 27607. 



Medium; dark gray. Davidson College, Mecklenburgh County. D. Slonn's 



quarry. W. H. Kerr, 1883. 27643. 

 Gneiss. Fine; red and light mottled. Mooresville, Iredell County. Quarry of 

 McNeilly &MePkerson. W. H. Kerr, 1883. 27617. 



Hornblende gneiss. Fine; light greenish gray. Morgan ton Depot, Burke County. 



Avery's quarry. W. II. Kerr, 1883. 27639. 

 Quartz porphyry [leopardite]. White; black spotted ; 4 by 4 by l-£- inches. Near 



Charlotte, Mecklenburgh County. W. J. Yates quarry. Tenth Census, 18^0. 25840. 



Nearly white with dark spots. Charlotte, Mecklenburgh County. Centennial 



1876. 10770. 



These porphyries take the popular name "leopardite" from their spot- 

 ted appearance. In some cases the coloring material instead of being 

 arranged in oval spots takes most delicate dendritic or fern-like forms. 

 They are very hard and consequently' used only for purposes of rough con- 

 struction. 

 Sandstone. Triassic; fine: reddish brown. Wadesborough, Anson County. W. C. 

 Kerr, 1883. 27608. 



Triassic; fine; light brown. San ford, Moore County. J. W. Scott's quarry. 



W. H. Kerr, 1883. 27634. 



Triassic; tine ; light brown. Egyx)t, Chatham County. J. Legroves's quarry. 



W. H. Kerr, 1883. 27635. 



Triassic; light colored; medium. Durham, Durham County. Trap quarry 



W. C. Kerr, 1883. 27651. 



Triassic; fine; reddish brown. Near Durham, Durham County. Quarry of 



Needham & McPherson. W. C. Kerr, 1883. 27652. 



Triassic; line; very light brown. Near Morris ville, Wake County. Gift of 



the county through W. S. Yeates, 1884. 36S52. 



Fine; gray ; 10-inch cube. Raleigh, Wake County. Centenuial 1876. 17475. 



OHIO. 



Limestone. Lower Silurian; dark gray. 12 by 13 by 7 inches. Centennial, 1876. 

 25198. 



Lower Silurian; dark gray. 14 by 14 by 8 inches. Centennial, 1876. 25199. 



Devonian ; drab ; tine ; conrpact. Kelley's Island, Erie County. Quarry of 



Kelley & Co. Tenth Census, 1880. 26284. 



Devonian. Bellefoutaine, Logan County. Quarry of Angel, Miller & Co. 



Tenth Census, 1880. 27162. 



Carboniferous ; drab ; fine ; compact. Two specimens. Bellaire, Belmont 



County. Samuel Rowe's quarry. Tenth Census, 1880. 25613. 



Upper Silurian ; light colored. 12-inch cube. Covington, Miami County. T. 



W. Butt's quarry. Tenth Census, 1880. 27200. 



Upper Silurian ; dark mottled ; finegrained. Two specimens. Piqua, Miami 



County. Quarry of H. Clark & Son. Tenth Census, 1880. 25317. 



