Ruschenberger.] lOo [Nov. 6, 



Gregory, M.D., &c, Professor of Chemistry, University of Edinburgh. 

 With notes and additions. By James B. Rogers, M.D., Professor of Gen- 

 ral Chemistry, Franklin Institute, and Lecturer on Medical Chemistry, 

 &c, and Robert E. Rogers, M.D., Professor of Chemistry and Materia 

 Medica, University of Virginia, &c. 8vo, pp. 'xxii — 848. Thomas 

 Cowperthwait & Co. Philadelphia, 1846. 



James B. and Robert E. Rogers. 

 On the alleged insolubility of Copper in Hydrochloric Acid ; with an 

 examination of Fuch's method for analyzing iron ores, metallic iron, etc. 

 Proc. Amer. Assoc, 1848, p. 39; Silliman, Journ., vi, 1848, pp. 395-396. 



List of the Published Writings of Wm. B. Rogers, LL.D. 



Essays on the Weather — On the formation of dew — several articles. 

 The Messenger of Useful Knowledge. Carlisle, Pa. 1830. 



Analysis of Shells. Silliman, Journ., xxvi, pp. 361-365. 1834. 



On the Discovery of Green Sand in the Calcareous Deposit of Eastern 

 Virginia, and on the probable existence of this substance in extensive 

 beds near the western limits of our ordinary Marl. Farmers Register, 

 June 26-27, 1834, and May, 1835. Reprinted. Geology of the Virginias. 



On the existence of bi-malate of lime in the berries of the Sumach ; 

 and the mode of procuring it from them in the crystalline form. Silli- 

 man, Journ., xxvii, 1835, pp. 294-299. 



Apparatus for analyzing Calcareous Marl and other Carbonates. Silli- 

 man, Journ., xxvii, 1835, pp. 299-301. 



Self-filling Syphon for Chemical Analysis. Silliman, Journ., xxvii, 1835, 

 pp. 302-303. 



Report of the Geological Reconnoissance of the State of Virginia. 

 Made under the appointment of the Board of Public Works.. By William 

 B. Rogers, Professor of Natural Philosophy in the University of Virginia. 

 DeSilver Thomas & Co. Philad., 1836. 8vo, pp. 143.* 



Report of the Progress of the Geological Survey of the State of Virginia, 

 for the year 1836. pp. 24.* 



Report of the Progress of the Geological Survey of the State of Virginia, 

 for 1837. pp. 43.* 



Report of the Progress of the Geological Survey of the State of Virginia, 

 for 1838. pp. 56.* 



An Elementary Treatise on the strength of Materials : Being the sub- 

 stance of the lectures on that subject, delivered in the School of Engineer- 

 ing of the University of Virginia. By Wm. B. Rogers, Professor of 

 Natural Philosophy in that Institution. 8vo, pp. 50. Printed by 

 Tomkins & Noel, Charlottesville, 1838. [Copy Presented to the Franklin 

 Institute by Wm. B. Rogers.] 



* Reprinted in the Geology of the Virginias, 1SS4. 



