CONTENTS 



VOLUME II, PART II. 



Officers of the Academy of Natural Sciences for the year 



18:2, page 193 



Description and Analysis of the Jeffersonite, a new mi- 

 neral, by W. H. Keating, 194 

 On the Gales experienced in the Atlantic States of North 



America, by Robert Hare, M. D. 204 



Description of a New Crystalline form of Quartz, by 



G. Troost, M. D. 212 



J Description of five new species of genus Cichla, by C. 



A. Lesueur, 214 



Account of some of the Marine Shells of the United ffl* 



States, by Thomas Say, 221 ^ ^^ <\UP 



On a New Locality of the Automalite, by Lardner Van- 



uxem, 249 



Description of three new species of the Genus Sciaena, 



by C. A. Lesueur, 251 



Account of some of the Marine Shells of the United 



States, by Thomas Say, (continued.) 257 



On the Geology and Mineralogy of Franklin, in Sussex 



county, New Jersey, by Lardner Vanuxem and 



W.H.Keating, 277 



Observations upon the Cadmia found at the Ancram Iron 



YV urks, Columbia county, New York, by W. H. 



Keating, 289 



On the Onykia Angulata, byC. A. Lesueur, 296 



51 



llf 



