76 Bulletin 7 132 



Shelley, Bdw., The Iron- Makers of Wythe County, Virginia, 

 and Vicinity, and Their Forges and Furnaces. 

 The Virginias, vol. i, p. 58, 1880. 



Shepard, Chas. U., A Mineralogical and Chemical Descrip- 

 tion of the Virginia Aerolite. 



Amer. Jour. Sci., vol. xvi, pp. 191-205, 1829. 



Chemical Examination of the Water of the Gray Sul- 

 phur Springs of Virginia. 



Amer. Jour. Sci., vol. xxx, pp. 100-109, 1836. 



On Phosphate of Lime (Apatite) in the Virginia Meteoric 



Stone. 



Amer. Jour. Sci., vol. xlv, pp. 102-103, 1843. 



Silliman, B., Remarks on Some Gold Mines, and on Parts 

 of the Gold Region of Virginia, Founded on Personal 

 Observations Made in the Months of August and Sep- 

 tember, 1836. 



Amer. Jour. Sci., vol. xxxii, pp. 98-130, 1837. 



Culpepper Gold Mine, Virginia. 



Amer. Jour. Sci., vol. xxxii, p. 185, 1837. 



The Siemens Patents for Improvements in Glass Fur- 

 naces, with Suggestions for Their Use with Natural Gas, 



pp. 540-545- 



Trans. Amer. Inst. Min. Engrs., vol. xiii, pp. 529-546, 

 illustrations, 1884-85. 



For Virginia, see p. 541. 



Silliman, B , & Hubbard, O. P., Chemical Examination of 



Bituminous Coal from the Pits of the Midlothian Coal 



Mining Company, South Side of James River, Fourteen 



Miles from Richmond, Virginia, in Chesterfield County, 



Amer. Jour. Sci., vol. xlii, pp. 369-374, 1842. 



Sloan, B. H., Analj^sis of the Feldspar Accompanying Micro- 

 lite in Amelia County, Virginia. 

 Chem. News, xliv, p. 207, 1881. 



Geol. Record, 1880-84 incl., London, 1889, vol. ii, p. 244. 

 The Virginias, vol. iii, p. 4, 1882. 



Analysis of Helvite from near Amelia Court House, Vir- 

 ginia. 



Chem. News, vol. xlvi, p. 195, 1884. 



