II CONTENTS. 



Art. IX. Descriptions of Three New Genera of Plants, 

 from the State of New- York. Cylactis, Ne- 

 mopanthus, and Polanisia, by Professor C. S. 



Rafinesque 377 



Art. X. Notice on the Myosurus Shortii, by the same. 379 

 Art. XI. Description of a New Species of Gnaphalium, 



by Professor E. Ives. ........ 380 



FOSSIL ZOOLOGY, ^C, 



Art. XII. Observations on some Species of Zoophytes, 

 Shells, &c. principally Fossil, by Thomas 

 Say 381 



PliySICS, CHEMISTRY, §C. 



Art. XIII. Observations on Salt Storms, and the Influ- 

 ence of Salt and Saline Air upon Animal and 

 Vegetable Life. Read before the Lyceum of 

 Natural History of New- York, March 7, 

 1819, by John B. Beck, M. D 388 



Art. XIV. Thoughts on Atmospheric Dust. By Pro- 

 fessor C. S. Rafinesque 397 



Art. XV. On the Effect of Vapour on Flame. By J. F. 

 Dana, Chemical Assistant in Harvard Univer- 

 sity, and Lecturer on Chemistry and Phar- 

 macy in Dartmouth College 401 



Art. XVI. Analysis of the Harrodsburg Salts, by Ed- 

 ward D. Smith, M. D. Professor of Che- 

 mistry and Mineralogy in the South-Carolina 

 College 403 



Art. XVII. Additional Notice of the Tungsten and Tel- 

 lurium, mentioned in our last Number. . . 40.5 



Art. XVIII. A Substitute for Woulfe's or Nooth's Appa- 

 ratus, by Robert Hare, M. D. Professor of 

 Chemistry in the Medical Department of the 

 University of Pennsylvania, and Member of 

 various Learned and Scientific Societies. . . 410 



