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«USfUa Of COMPARATIVE 2ML0Gy 
IS ^ ü ^ Ü 
THE 
JOURNAL 
OF THE 
COLLEGE OF AGRICULTURE, 
TOHOKU IMPERIAL UNIVERSITY, 
SAPPORO, JAPAN. 
VOL. VI. PART 11. 
IE ^ ^ :^ n 
SAPPORO. 
JUNE, 1914. 
