. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY—BULLETIN No. 121. L. O. HOWARD, Entomologist and Chief of Bureau. THE BEHAVIOR OF THE HONEY BEE IN POLLEN COLLECTING. BY D. B. CASTEEL, Ph. D., Collaborator and Adjunct Professor of Zoology, University of Texas. Issued Decembek 31, WASHINGTON: GOVERNMENT PRINTING OmOE. 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 no
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY—BULLETIN No. 121. L. O. HOWARD, Entomologist and Chief of Bureau. THE BEHAVIOR OF THE HONEY BEE IN POLLEN COLLECTING. BY D. B. CASTEEL, Ph. D., Collaborator and Adjunct Professor of Zoology, University of Texas. Issued Decembek 31, WASHINGTON: GOVERNMENT PRINTING OmOE. 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 Entomology. Washington : G. P. O.
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