12 



ICHTHYOLOGIA OHIENSIS 



To further facilitate bibliographic accuracy, the 

 subjoined table will serve to help. Especially is this 

 inserted here in order that certain data, omitted in a 

 similar list by Dr. David S. Jordan, in his " Review 

 of Rafinesque's Memoirs on North American Fishes," 

 U. S. National Museum, 1877, Bulletin no. ix., p. 7, 

 may be supplied, and that certain errors therein, in 

 the matter of pagination and numbering of the parts 

 of volumes, may be corrected : 



By the aid of this table, the investigator of the fresh- 

 water fishes of the Ohio valley will be able to verify 

 any citation from either the IchtJiyologia or from the 

 original publication in The Western Review and Mis- 

 cellaneous Magazi?ie. 



I am under great obligations to Reuben T. Durrett, 

 LL.D., of Louisville, Kentucky, for the opportunity 

 to transcribe the text of this reprint from the orig- 

 inal, and for numerous favors connected with the 

 consultation of rare bibliographic matter in his 

 library. Robert Clarke, Esq., of Cincinnati, has 

 enabled me to consult the only copy of the IcJitJiyologia 

 known to exist in the city, in the library of the His- 

 torical and Philosophical Society of Ohio. He also 

 had copied for me the additions which appear as a 



