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. 
