Fresh-Water Cercarial Dermatitis from Southern California

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  1. 1.Natural and experimental dermatitis have been produced by cercariae which emerged from the fresh-water snail, Physa osculans Haldeman, collected in Southern California.
  2. 2.Three types of cercariae, differing in measurements from all previously described species, were found but their taxonomy will be considered in a future paper.

Author Notes

Department of Microbiology, School of Medicine, University of Southern California.

Department of Zoology, University of Southern California.