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763,953 which the insects appear, and pipes communi- my own I have hereto affixed my signature in eating with the casing and through which the the presence of two witnesses. insects are drawn by suction and a screen po- WALTER M. BOLEN. sitioned in said passage-way and adapted to 5 separate the insects from the pneumatic cur- Witnesses: rent, and means for collecting the insects. S. A. McCLELLAN, In testimony that I claim. the foregoing as G. R. CAR ROLL.