A Statistical Study of the Parasites of the Unionidae
DOI:
https://doi.org/10.21900/j.inhs.v5.419Keywords:
Survey, Illinois, Iowa, PennsylvaniaAbstract
It was the purpose of the investigation to determine, if possible, under what conditions infestation would be found to vary in a series of closely related species of a given locality or of several localities, and to what extent this variation could be regarded as a specific characteristic.
