1921
Volume s1-18, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

The confusion which exists among parasitologists, protozoologists and medical men concerning the validity of species of reported to be parasitic in man prompted this investigation. It is hoped that a better understanding will be the result. For the past six years, the writer has had a special interest in from cold-blooded hosts (Wichterman (1934, 1937); Geiman and Wichterman (1937)). For the present study, all the original papers were carefully examined and for the sake of accuracy, illustrations were photographed and are herein represented as faithfully as possible for evaluation.

The genus was introduced by Leidy (1849) when he discovered and described from the intestine of the milliped () . Dobell (1932) however, believes that Leeuwenhoek was the first to observe and sketch a specimen of which came from the rectum of a frog. The commonest species is probably (fig. 1) described by Stein (1859–1878) from the frog.

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/content/journals/10.4269/ajtmh.1938.s1-18.67
1938-01-01
2017-11-20
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  • Received : 13 Sep 1937

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