586 REPORT ON NATIONAL MUSEUM, 1886. 



Limestone [marble J. Lower Silurian ; light blue- gray ; crystalline; King of Prus- 

 sia, Montgomery County. Reesevillo Blue Marble Company. Tenth Census, 

 1880. 25555. 



Light blue-gray; crystalline. Near Columbia, Lancaster County. C. S. 



Kauffman's quarry. Tenth Census. 26331. 



• Bluish white ; pink veins; fine; compact; crystalline. York, York County. 



C. H. Smith's quarry. Tenth Census, 1880. 26236. 



1 Lower Silurian ; dark gray. Pine Grove, Schuylkill County. American So- 

 ciety Mining Engineers, 1886. 37875. 



Lower Silurian ; gray ; dark veined ; white spotted ; fine and compact. My- 



erstown, Lebanon County. American Society Mining Engineers, 1886. 37862. 



Lower Silurian. Gray; dark veined; fine and compact. American Society 



Mining Engineers. 37863. 



Lower Silurian ; dark blue-gray. North of Annville, Lebanon County. Amer- 



ican Society Mining Engineers, 1886. 37881. 



Magnesian limestone. Lower Silurian very dark gray; fossil iferous. Morrell. 



Huntingdon County. Quarry of A. G. Morris. Tenth Census, 1880. 26162. 

 — - Lower Silurian ; dark gray; coarse. East Conshohocken, Montgomery County. 

 East, Conshohocken quarry. Tenth Census, 1880. 26983. 



Devonian; dark gray; fine and compact. Two specimens. Hyndman, Bed- 



ford County. Peerless Lime Company. Tenth Census, L880. 26201. 



Devonian; drab; semi-crystalline; fossiliferous. Cove Station, Bedford County. 



J. T. Shirley's quarry. Tenth Census, 1880. 26202. 



Carboniferous ; dark drab ; coarse. Two specimens. Van Port, BeaverCounty. 



W. J. Dunn's quarry. Tenth Census, I860. 2584(5. 

 Calcareous breccia. Triassic; coarse; variegated. Near Fairfield, Adams County. 



Tenth Census, 1880. 26370. 

 Calcareous breccia [marble]. Triassic ; coarse ; reddish ; variegated. Near 



Fairfield, Adams County. Tenth Census, 1880. 26376. 

 Triassic; coarse; variegated. Near Amityville, Berks County. Col. J. Wea- 

 ver's quarry. Tenth Census, 1880. 26465. 

 Calcareous dolomite, [marble ]. Lower Silurian ; nearly white ; crystalline. Near 

 Columbia, Lancaster County. Quarry of Kerr, Weitzel & Co. Tenth Census, 

 1880. 26332. 

 Biotite gneiss. Coarse ; gray. Near Chester, Delaware County. Crura Creek 

 quarry Tenth Census, 1880. 25404. 



— Fine; gray. Two specimens. Near Chester, Delaware County. Quarry of 



Leiper & Lewis. Tenth Census, 1880. 25407. 



— Fine; gray. Frankford, Philadelphia County. Quarry of Barbour, Ireland 



& S Fan nee. Tenth Census, 1880. 25561. 

 Biotite muscovite gneiss. Fine; light gray. Near Chester, Delaware County. 



quarry of A O. & I. O Deshong, jr. Tenth Census, 1880. 25436. 

 Gneiss- Coarse ; gray. Near Reading, Berks County. Tenth Census, 1880. 26470. 

 Muscovite gneiss. Coarse; very light gray. Germantown, Twenty-second Ward, 



Philadelphia County. J. Nolan's quarry. Tenth Census, 1880. 25669. 

 Hornblende gneiss. Fine ; dark gray. Germantown, Philadelphia County. Quarry 



of Nestor & Shelmire. Tenth Census, 1880. 25553. 



Fine ; dark gray. Rittenhousetown, Philadelphia County. McKinney's 



ouarry. Tenth Census, 1880. 25556 

 Quartz porphyry. Dull red. Near Pine Grove Furnace, Cumberland County. 



Tenth Census, 1880. 26382 



