Production Note 

 Cornell University Library produced this volume 

 to replace the irreparably deteriorated 

 original. It was scanned using Xerox software 

 and equipment at 600 dots per inch resolution 

 and compressed prior to storage using CCITT 

 Group 4 compression. The digital data were used 

 to create Cornell's replacement volume on paper 

 that meets the ANSI Standard Z39. 48-1992. The 

 production of this volume was supported by the 

 National Endowment for the Humanities. Digital 

 file copyright by Cornell University Library 

 1994. 



Scanned as part of the A.R. Mann Library project 

 to preserve and enhance access to the Core 

 Historical Literature of the Agricultural 

 Sciences. Titles included in this collection 

 are listed in the volumes published by the 

 Cornell University Press in the series THE 

 LITERATURE OF THE AGRICULTURAL SCIENCES, 

 1991-1995, Wallace C. Olsen, series editor. 



