Production Note 



Cornell University Library produced this volume to 

 replace the irreparably deteriorated original. It was 

 scanned at 600 dots per inch resolution and 

 compressed prior to storage using CCITT/ITU 

 Group 4 compression. The digital data were used to 

 create Cornell's replacement volume on paper that 

 meets tiie ANSI Standard Z39.48-1992. The 

 production of this volume was supported by the 

 United States Department of Education, Higher 

 Education Aa, Tide 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. 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, WaUace C. Olsen, series editor. 



