. Biology in America. Biology. 378 Biology in America many plants other than the bacteria which may render water unsuitable for consumption or other household uses. Ani- mals too, especially mosquito larvas, present in drinking waters, may play an important role in human health. At various times the people of Boston have noticed an odor of cucumbers in their drinking water. However delectable the odor of cucumbers may be in a salad, the inconsistency of human nature is such that Boston people strongly objected to it in their drinking water, the more so as it suggested cer- tain unsavory things
. Biology in America. Biology. 378 Biology in America many plants other than the bacteria which may render water unsuitable for consumption or other household uses. Ani- mals too, especially mosquito larvas, present in drinking waters, may play an important role in human health. At various times the people of Boston have noticed an odor of cucumbers in their drinking water. However delectable the odor of cucumbers may be in a salad, the inconsistency of human nature is such that Boston people strongly objected to it in their drinking water, the more so as it suggested cer- tain unsavory things such as garbage cans, or a vegetable push cart in Salem Street. Investigation proved however that the. Synura Which imparts the odor of cucumbers to water. From Conn, "Pro- tozoa of Connecticut.'' cucumber was entirely blameless in the matter, the guilty party being an innocent looking little animal, the protozoan Synura. Professor Whipple has compiled a list of twenty- two unicellular plants and animals which are responsible for various odors in water, ranging all the way from the delicate perfume of the violet to the disgusting smell of the piggery. Some organisms indeed run the whole gamut of odor, de- pending on the number present and the amount of decom- position, from the odor of a violet or a geranium to that of a fish, or from the smell of newly cut grass or corn to that of the pig-pen. "Things are not always what they ; On one occasion seven out of ten people declared that highly di- luted kerosene smelled like perfumery, which observation may be interpreted either as a libel on certain "perfumery" or vice versa. â When the shirt of your bosom returns to you an hour be- fore dinner stiff and glossy, but with dull brown stains upon â it, do not blame the Chinaman or the laundry maid; go rather. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appea
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