CONTENTS TO VOLUME XIV. 



NUMBER I. 



Page. 

 Art. I. On the Mineralogy of Chester County, with an ac- 

 count of some of the Minerals of Delaware, Mary- 

 land, and other localities ; hy George W. Carpen- 

 ter, of Philadelphia, - - - 1 

 II. On the Geology and Mineralogy of the country near 



West Chester, Penn. ; by J. Finch, M. C. C. &c. 15 



III. On the Effect of the Physical Geography of the world, 



on the Boundaries of Empires; by John Finch, 

 F. B. S. &c. - - - _ is 



IV. On the Atomic Theory of Chemistry ; by John Finch, 



M. C. S. &c. - - - -;. 24 



V. Pluviometrical Observations, made at West Chester, 



Penn. ; by William Darlington, M. D. - 29 



VI. On the Fossil Tooth of an Elephant, from Lake Erie, 

 and on the skeleton of a Mastodon, from the Dela- 

 ware and Hudson Canal ; by Jer : Van Rensse- 

 laer, M. D. - - - _ 3i 

 VII. Observations on the Inefficiency of the Cathartic 

 powers of Rhubarbarine, with some Remarks on 

 the different varieties of Rhubarb ; by George W. 

 Carpenter, of Philadelphia, - - 33 

 VIII. On the Efficacy of Paragreles, - - 37 

 IX. Some Remarks on the Crude Sodas of Commerce ; by 



John Revere, M. D. Lecturer on Chemistry, &c. 41 



X. Remarks on Inertia ; by Z. - - - 50 



XI. On Crank Motion ; by Isaac Doolittle, - 60 



XII. Abstract of Meteorological Observations, made at 



Marietta, Ohio, in the year 1827; by S. P. Hil- 



dreth, " " " - - 63 



XIII. Notice of the Profile Mountain, in New Hampshire ; 



by Gen. Martin Field, - _ 64 



XIV. Notice of the Louisville and Shippingsport Canal, 



and of the Geology of the vicinity; by Increase A. 

 Lapham, assistant Engineer, - 65 



XV. Conclusion of the Notice and Analysis of Professor 

 Daubenv's work on Active and Extinct Volcanos, 

 from Vol. 13, page 310, - 70 



