578 report on national museum, 1886. 



Bituminous dolomite. Upper Silurian; brown: fine-grained; compact. Two spec- 

 imens. Lexington, Highland County. Mrs. L. Dunn's quarry. Tenth Census, 

 1860. 25427. 



Dolomite. Devonian. Light colored ; fine-grained ; compact. Two specimens. 

 White House, Lucas County. Quarry of Pray & Hall. Tenth Census, 1880. 

 25282. 



Devonian; drab; line; compact. Two specimens. Near Weston, Wood 



County. L. S. Pagh's quarry. Tenth Census, 1880. 25324. 



Upper Silurian ; drab mottled ; eoarsely vesicular. Near Van Wert, Van Wert 



County. Palmer's quarry. Tenth Census. 1880. 2G510. 



Devonian; dark gray ; fine-grained; compact. Two specimens. Marion, Ma- 

 rion County. Quarry of Peters & Lawrence. Tenth Census. 1880. 25322. 



Devonian; dark; fine-grained compact. Two specimens. Marion, Marion 



County. Quarry of Haberman & Riley. Tenth Census, 1880. 25323. 



Devonian ; light colored ; fine-grained ; compact. Two specimens. Near 



Bellefontaine, Logan County. Quarry of Angel, Miller & Co. Tenth Census, 



1880. 25290. 

 Upper Silurian; light colored; cellular. Two specimens, Near Springfield, 



Clarke County. Quarry of Moores & Co. Tenth Census, 1880. 27164. 

 Upper Silurian ; light drab ; fine and compact. Springfield, Clarke County. 



J. Mowatt's quarry. Tenth Census, 1880. 25203. 

 Upper Silurian ; drab ; cellular. Springfield Clarke County. W. S. Thomp- 

 son's quarry. Tenth Census, 1880. 25291. 

 Upper Silurian ; light drab and blue-gray. Two specimens. Yellow Springs, 



Greene County. W. Sronfe's quarry. Tenth Census, 1880. 25292. 

 * Upper Silurian ; drab mottled ; fine; compact. Eaton, Preble County. Quarry 



of Young & Christ man. Tenth Census, 1880. 25268. 



Magnesian limestone. Devonian; drab; fine-grained; f ossiferous. Bloomville, 

 Seneca County. A. Reichert's quarry. Tenth Census, 1880. 25660. 



Upper Silurian : very light drab. Piqua River, Miami County. IT. G. De- 



weese's quarry. TL G. Deweese, 1883. 27514. 



Upper Silurian ; bluish drab ; fine and compact. Two specimens. Covington, 



Miami County. Quarry of Butt *fc Battorf. Tenth Census, 1880. 27173. 



Devonian; drab; fine-grained; compact. Near Columbus, Franklin County. 



Quarry of Lilley & Poston. Tenth Consus, 1880. 25376. 



Upper Silurian ; bluish drab ; fine and compact. Near Dayton, Montgomery 



County. Huffman Stoue Company. Tenth Census, 1880. 27175. 



Upper Silurian ; bluish drab ; fine and compact. 12-inch cube. Near Dayton, 



Montgomery County. Huffman Stone Compan3 r . Tenth Census, 1880. 27175. 



Upper Silurian ; light drab ; fine and compact. Two specimens. Near Day- 



ton, Montgomery County. W. H. Huston's quarry. Tenth Census, 1880. 

 27192. 



Upper Silurian; drab; fine and compact. Two specimens. Near Dayton, 



Montgomery County. Huffman Stone Company. Tenth Census, 1880. 

 25297. 



Siliceous dolomite. Upper Silurian; light and drab; fine-grained. Two speci- 

 mens. Covington, Miami County. Quarry of N. W. Furnas. Tenth Census, 1880. 

 25319. 



Devonian; dark; fine-grained; compact. Two specimens. Near Marion, Ma- 

 rion County. F. Hinamon's quarry. Tenth Census, 1880. 25321. 



Upper Silurian; light drab; fiuely cellular. Two specimens. Springfield, 



Clarke County. George H. Froy's quarry. Tenth Census, 1880. 25295. 



