584 REPORT ON NATIONAL MUSEUM, 1886. 



Limestone. Dark blnc-gray ; fine and compact. Mcrtztown, B(>rk.s County. Amer- 

 ican Society Mining Engineers, 1886. 37879. 



Lower Silnrian ; dark bine-gray. Weruersvillc, Berks Connty. Aiueiicaa So- 



ciety Mining Engineers, 188G. 378(51. 

 Lower Silurian ; dark blue-gray. Wernersville, Berks County. American So- 

 ciety Mining Engineers, 1886. 37855. 



Lower Silurian ; water-blue, dark veined. Wernersville, Berks County. Amoii- 



can Society Mining Engineers, 11-86. 37854. 

 — — Lo\v'er Silurian; fine; blue-graj-. Myerstown, Lebanon County. American 

 Society Mining Engineers, 1886. 37864. 



Lower Silurian; Myeratown, Lebanon County. American Society Mining En- 



gineers, 1886. 37863. 



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



can Society Mining Engineers, 1886. 37867. 

 Lower Silurian ; dark blue-gray. Palmyra, Lebanon County. American Soci- 

 ety Mining Engineers, 1886. 37871. 



Lower Silnrian ; blue-gray, white spotted. North of Annville, Lebanon County. 



American Society Mining Engineers, 1886. 378.52. 



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



can Society Mining Engineers, 1886. 378S7. 



Lower Silurian; blue-gray. Richland Station, Lebanon County. American 



Society Mining Engineers, 1886. 37874. 



Lower Silurian ; water-blue; crystalline. Richland Station, Lebanon County. 



American Society Mining Engineers, 1886. 37865. 



Lower Silnrian ; blue-gray ; crystalline. Richland Station, Lebanr)n County. 



American Society Mining Engineers, 188(). 37866. 



Lower Silurian; dark blue-gray. Harrisburg, Dauphin County. American 



Society Mining Engineers, 1886. 37878. 



Lower Silurian ; dark blue-gray, nearly black; fine and compact. Near Har- 



risburg, Dauphin County. J.A.Rutherford's quarry. Tenth Census, 1880. 

 25328. 



' Lower Silurian ; blue. Hnmmelstown, Dauphin County. American Society 



Mining Engineers, 1886. 37883. 



Lower Silurian; dark blue-gray, nearly black. Paxton Station, D.iuphin 



County. American Society Mining Engineers, 1886. 37870. 



Lower Silurian; nearly black; fine and compact. Near York, York County. 



C. F. Winters's quarry. Tenth Census, 1880. 26237. 



Lower Silnrian ; dark gray, nearly black ; fiue and compact. Chambersburgh, 



Franklin County. Henry Lippy's quarry. Tenth Census, 1880. 26312. 



Sub- Carboniferous; light gray; granular. Connellsville, Fayette County. A 



R. Banuing's quarry. Tenth Census, 1880. 26058. 



Devonian; very dark drab ; fine and compact. Near Huntingdon, Huntingdon 



County. F. Hefright's quarry. Tenth Census, 1880. 26170. 



Very dark gray ; fine and compact. Near Spruce Creek, Huntingdon County. 



Robert Henderson's quarry. Tenth Census, 1880. 26235. 

 Lower Silurian; water-blue; crystalline. Howellsville, Delaware County. 



American Society Mining Engineers, 1886. 37869. 

 Lower Silurian ; nearly white ; crystalline. Howellsville, Delaware County. 



American Society Mining Engineers, 1836. 37853. 



Lower Silurian ; dark blue-gray. Lebanon, Alhighcny County. American So- 



ciety Mining Engineers, 1886. 37853. 



