VI 



TKCIIXOLOGY. 



Page. 

 Maple sugar, AV. W. Cooko aud J. L. Hills 246 



!<TATI( IX .STATISTICS. 



Reports of the Prussian experiment stations for 1890 .• 256 



AGRICl'LTURAI, STATISTICS. 



Report of iJi vision of Statistics of United States Department of Agrieulture for 

 September, 1891 253 



