Results 171 to 180 of about 3,523 (221)

A PRELIMINARY ACCOUNT OF THE UNIONIDAE OF ONTARIO

open access: yesCanadian Journal of Research, 1937
This study is based on an examination of museum specimens and records in the literature. The Unionidae of Ontario comprise 45 species and 18 varieties. Their distribution in the various drainages is shown in a table and the fauna of each area is discussed. The doubtful species and three erroneous records are noted.
A. La Rocque, J. Oughton
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Phases in the Parasitism of the Unionidae

The Journal of Parasitology, 1922
There are few cases, probably, in which an animal parasite is itself an article of commerce. The large demand for mother of pearl in the industries has led to the artificial propagation of the fresh-water mussel, remarkable for its parasitic larval development.
Arthur D. Howard, Barry J. Anson
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