oa Agricultural Journal of the Union of South Africa - Agricultural zoology for South African students

Volume 35, Issue 4
  • ISSN :



The flat worms may be divided into three classes: 1. Turbellaria or free forms, 2. Trematoda or parasitic forms, 3. Cestoda or very degenerate parasitic forms. To these may be added as an appendix the class of the Nemertea, which is, however, very different from the other three.

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