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Caption: Board of Trustees Minutes - 1886
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EXTRACTED TEXT FROM PAGE:
301 Finally, the experiment which I have just described makes it likely that these cultures may be found equally effective for the destruction of other injurious insects—a line of investigation, however, upon which much additional work will be needed before we can announce definite conclusions. Still it must be confessed that the practical advantage of this method of destioying noxious insects is greatly lessened by the difficulty of preparing the material, a technical process requiring a considerable degree of expert skill.
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