ERRATA. 
Bulletin No. g. 
Page 13, table, second line from top, read dry matter after 6 weeks 61.38, 
instead of 31.38. 
Bulletin No. 10. 
Page 6, 4th line from bottom, read 3.75, instead of 3.02. 
,, 6, 2nd line from bottom, read 3.04, instead of 3.77. 
,, 7, 3rd line from top, read 4.90, instead of 6.06. 
,, 11, 1 2th line from top, read 4.9, instead of 6.1. 
