CONTENTS. 



♦ PAGE 



PrcceecUiigs of the Society 237 



Notices of the Floras of CinciiiDati, published from ISlo to 1S79, with 

 some Additions and Corrections to tlie catalogue of Joseph F. 

 James, By Davis L. James ' 239 



The CdbuozoIc Age, or Tertiary Period, by S. A. Miller 245 



New Species of Tineina, by Y . T. Chambers V. 289 



A Pre-historic Cup made from a^Iuman Craniu^^i, by Edgar K. Quick, 296 ^ 



The Mammalia of the Vicinity of C/ncinnati— A; List of Specifes with 



Notes, by Frank W. Langdonr ^ ^. J. ...,-.:.. 297 



On the Geographical Distribution of^ertain Fresh- Water Mollusk^of 

 No)-t4i America, and the Prob^le Causes of their Variatkm^ by 

 A. G. Wetherby / 317 



Descriptions of*Crinoids from the Upper Subcarboniferous of Pulaski 



County, Kentucky, by A. G. Wetherby 324 



Catalogue of the Books Supplied for the Library during the past year, 



by purchase, donation, and exchange 331 



Terms: $2 00 per volume ; single numloer, 60 cents. 



