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 ITU 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 
1995. 
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, 1991-1996, Wallace C. 
Olsen, series editor. 
