Production Note 



Cornell University Library produced this volume to replace the 

 irreparably deteriorated original. It was scanned at 600 dots pa* inch 

 resolution and compressed prior to stcnage using CCiir/ll J 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 

 United States Department of Education, Higher Education Act, Title 

 II-C. 



Scanned as part of the A. R. Mann Library project to preserve and 

 enhance access to the Core Historical Literature of the Agricultural 

 Sciences. Tides 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. 



