The same authorities recommend a powder, composed of larvicide (an aniline substance), chrysanthemum flowers, and valerian root, to be burnt in bedrooms. Anointing the skin with strong-smelling substances is of little use in the open air, but more effective in the house; turpentine appears to be the best. [Please select]
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Another chemical found to be even more effective as a larvicide is powdered borax. [Please select]
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No box privy should be permitted to exist unless it is thoroughly and regularly treated with some effective larvicide. [Please select]
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Borax, on the other hand, is such a good larvicide that it call be used with advantage on the ground of soil-floor stables, in privies, on refuse piles, and on any accumulations of fermenting organic matter which are not to be used for fertilizing purposes. [Please select]
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