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PLATE VI. (Original, drawn by A. G. Hammar.) d, head of drone; q, head of queen; w, head of worker; x, ventral surface of worker showing plates of wax.
Page:How to Keep Bees.djvu/55
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PLATE VI. (Original, drawn by A. G. Hammar.) d, head of drone; q, head of queen; w, head of worker; x, ventral surface of worker showing plates of wax.