Tabic of Contents. 



Pa(.k. 



Proceedings, ....... 103 



Donation.s, 104 



Observ-ations Concerning Fort Ancient. By Selden S. 



Scoville, M. D., Lebanon, O., .111 



Mordellidae in the Vicinity of Cincinnati, Ohio. H\ 



Charle.s Dury, 123 



The Myxomycetes of the Miami Valley, Ohio. First 



Paper. By A. P. Morgan, . : 127 



Manual of the Paleontology of the Cincinnati Group. 



Part IV. ByProf.JosephF.James, M.ScF. G.S. A.. 144 

 Microscopical Study of Ohio Limestones. By G. Perry 



Grim.sley, M. A., Columbus, O.. .... i(k) 



Niagara's Water Power. By B. M. Ricketts, Ph. B., M. D. 16S 

 Description of a New Phalloid By A. P. Morgan, 171 



Title Page and Contents, Vol. XV, 



Officers of the Society. 



President, T. B. Collikk. 



First Vice-President, Dr. F. W. L-vngdox. 



vSecond Vice-President, Dr. B. M. Ricketts. 



Secretary, T. H. Kellev. 



Treasurer Davis L. Jamics. 



Members at Large of the Executioe Board. 



Geo. W. Harper, Dr. O. D. Norton., 



R. A. Holden, Jr., Charles Dury. 



Librarian. 

 Dr. M. Cassatt. 



Director of Museum. 

 Seth Hayes. 



Meetings. 



Rc.milar Mi^eting of tlie Society, 



I^rst Tuesday of each month, n r m 

 P^xecnlive Board .Meeting, 



First Tuesday of each month, 7 r. m. 

 Photographic Section meets 



Second and Iw)urth M()nda\s, .s iv m. 



Date of pui)licati()n of llii.s number, P'ebruary 24, 1S93. 

 .\n Index to \'ol. X\' will be furnished with a future number. 



