. Biology in America. Biology. Biology and Medicine 465 footed were and the Ital the liookwor the Geniian infected soil of biological years an in of "gronnd anemic, run down and unable to do good work, ian Perroncito at that time traced the disease to â m Ankylostomum duodenale. Some years later Looss, traced the eouise of the worm from the to the intestine of its victim by a very clever bit detective work. There had been known for many itation of the skin of the feet under the names itch," "foot itch," "dew itch," (a) Female, (b) Male, and (c) Mouth of the
. Biology in America. Biology. Biology and Medicine 465 footed were and the Ital the liookwor the Geniian infected soil of biological years an in of "gronnd anemic, run down and unable to do good work, ian Perroncito at that time traced the disease to â m Ankylostomum duodenale. Some years later Looss, traced the eouise of the worm from the to the intestine of its victim by a very clever bit detective work. There had been known for many itation of the skin of the feet under the names itch," "foot itch," "dew itch," (a) Female, (b) Male, and (c) Mouth of the Hookworm An animal which is mainly responsible for the condition of the "poor whites" in the Soutii, and wliii-h causes an economic loss of perhaps $500,000,000 annually. The disease can be effectively and easily cured, while its prevention is merely a jnatter of a few simple sanitary pre- cautions. (After Stiles.) "AVhile experimenting with hookworm larvie he spilled some of them on his liand; he noticed a burning sensation and in a few minutes the larvae had disappeared. After the proper interval, about two months, he found himself sutfcr- ing with the hookworm disease. To determine what had be- come of the larvffi that were spilled on his hand he poure<l some larvffi on the leg that was about to be amputated from a boy; on sectioning the skin of this leg, after amputation, he found the larva3 had worked their way through the skin. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Young, R. T. (Robert Thompson), b. 1874. Boston, R. G. Badger
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