83 Geological Bibliography of Virginia 27 



Amer. Nat., vol. xvi, p. 611, 1882. 



Colutnbite, Orthite, and Monazite from Amelia County, 



Virginia. 



Amer. Jour. Sci., 3d ser., vol. xxiv, pp. 153-154, 1882. 

 Amer. Chem. Jour., vol. iv, pp. 138-140, 1882-83. 

 Geol. Record, 1880-84 incl., London, 1889, vol. ii, p. 181. 



On the Formation of Deposits of Oxides of Manganese. 



Crimora Mine, Augusta County, Virginia. 



Amer. Jour. Sci., 3d ser., vol. xxxvi, pp. 175-178, 1839. 



Helvite from Amelia County, Virginia. 



Amer. Chem. Jour., vol. iv, p. 478, 1882-83. 



Geol. Record, 1880-84 incl., London, 1889, vol. ii, p. 181. 



Distribution of Titanic Oxide upon the Surface of the 



Earth. 



Amer. Jour. Sci., 3d ser., vol. xlii, p. 491-495, 1891. 



Dunnington, F. P., & Koenig, G. A., Orthite from Amelia 

 County, Virginia. 



Amer. Chem. Jour., vol. iv, p. 138, 1882-83. 

 Amer. Nat., vol. xvi, p. 611, 1882. 



Bakin, I^. G., Ores of Iron from Virginia. Analysis of — 

 Bull. U. S. Geol. Surv., No. 78, p. 125, 1891. 



Two New Meteorites. i. Meteoric Iron from Pulaski 



County, Virginia. 



Bull. U. S. Geol. Surv., No. 90, pp. 45-46, 1892. 



Kdwards, W. S., Coals and Cokes of West Virginia. (A 

 Handbook on the Coals and Cokes of the Great Kana- 

 wha, New River, Flat Top, and Adjacent Coal DistriAs 

 in West Virginia). 



Cincinnati: Robert Clark & Co., 1892 



D^lliott, J. B., The Age of the Southern Appalachians. 



Amer. Jour. Sci., 3d ser., vol. xxv, pp. 282-298, sedlion, 

 1883. 



Bmmons, S. F., Notes on the Gold Deposits of Montgomery 

 County, Maryland. 



Trans. Amer. Inst. Min. Engrs., vol. xviii, pp. 391-411, 



