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This is the first number of a projected treatise from the zoological point of view in the much neglected field of nematology. The nematode worms from an ecological and medical point of view are of great importance. They abound in the soil and in organic wastes of civilization, and in humus, sewage, sludges, and offal of organic origin. They infest important cultivated plants such as beets, parsnips, onions, potatoes, sugar cane, pineapples and wheat. They invade gardens, dwarf chrysanthemums and daffodils and make greenhouse soils unproductive. They occur as parasites in the bodies of most animals, and scores of different species parasitize the organs and tissues of man. Although they are relatively simple in structure, this very simplicity makes their classification and identification difficult and uncertain. What they lack in structural complexity they more than make up in diversity in life cycles and in facultative abilities in surviving in other
An Introduction to Nematology. JAMA. 1938;110(11):838. doi:10.1001/jama.1938.02790110064030
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