loo Bulletin 7 156 



R 



Rogers, H. D., Report on the Salt and Gypsum of the Pres- 

 ton Salt Valley of the Holstein River. 



Amer. Jour. Sci., 2d ser. , vol. xviii. pp. 273-274, 1854. 



Rogers, Wm. B., On the Limits of the Infusorial Stratum 

 in Virginia. 



Amer. Jour. Sci., vol. xlv, pp. 313-314, 1843. 

 Communicated by H. D. Rogers. 



Extract from a letter by Prof. Wni. B. Rogers to the junior edi- 

 tor, dated Richmond, Dec. 13, 1843. 



The Tertiary Infusorial Formation of Maryland. 



Amer. Jour. Sci., vol. xlvi, pp. 141 -142, 1844. 



Oyster Shell (Ostrea virginica) Found Lying over the 



Newest Tertiary, near the Mouth of the Rappahannock 

 River. Post Pliocene Age. 



Proc. Boston Soc. Nat. Hist., vol. v, p. 268, 1854-56. 

 Statement only. 



The Deoxidation of Sulphuric Acid in the Tertiary 



Clays and Sands of Maryland and Virginia. 



Proc. Boston Soc. Nat. Hist., vol. v, pp. 152-154, 1854- 

 56. 



Western Belt of North Carolina and Virginia and Its 



Extension toward the Northeast, Forming the So-called 

 New Red Sandstone of Virginia, Pennsylvania and New 

 Jersey, and probably of the Valley of the Connedlicut. 

 Proc. Boston Soc. Nat. Hist., vol. v, pp. 16-18, 1854-56. 



Lignite from Virginia and North Carolina. 



Proc. Boston Soc. Nat. Hist., vol. v, pp. 186, 189, 1854- 

 56. 



: Theory of the Origin and Accumulation of the Proto- 



carbonate of Iron in Coal Measures. 



Proc. Boston. Soc. Nat. Hist., vol. v, pp. 283-290, 1854- 

 56. 



On the Growth of Stalacftites in Virginia Caves. 



Proc. Boston Soc. Nat. Hist., vol. v, pp. 336, 337, 1854- 

 56. 



The Virginias, vol. v, p. 24, i! 



Ryder, Jno. A., (See under White, Chas. A.). 



S 

 Sloan, B. B., (See under Students of the University of Virginia). 



