. Bulletin. Agriculture. U. S. DEPARTMENT OF AGRICULTURE. BUREAU OF PLANT INDUSTRY—BULLETIN NO. 220. B. T. ii .\h] jOW AY, Chief of JJureau. RELATION OF DROUGHT TO WEEVIL RESISTANCE IN COTTON. BY O. F. COOK, Bionomist in Charge of Crop Acclimatization and Adaptation Investigations. Issued August 7, washington: giovernme:7t printing office. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of


. Bulletin. Agriculture. U. S. DEPARTMENT OF AGRICULTURE. BUREAU OF PLANT INDUSTRY—BULLETIN NO. 220. B. T. ii .\h] jOW AY, Chief of JJureau. RELATION OF DROUGHT TO WEEVIL RESISTANCE IN COTTON. BY O. F. COOK, Bionomist in Charge of Crop Acclimatization and Adaptation Investigations. Issued August 7, washington: giovernme:7t printing office. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Plant Industry. Washington : G. P. O.


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