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Plate II. Comb showing Drone-cells to the Right and Upper Left Centre, and Diseased ("Foul Brood”) Worker-cells in the Remainder. (Original.)
Bee-culture.]
[Photo. by R. Walrond.
Plate II. Comb showing Drone-cells to the Right and Upper Left Centre, and Diseased ("Foul Brood”) Worker-cells in the Remainder. (Original.)