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Teunis Vergeer
JAMA. 1928;91(6):396-397. doi:10.1001/jama.1928.92700060003010d.
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Since my report on the finding of plerocercoids of Diphyllobothrium latum, the broad tapeworm of man, in fish from Lake Winnipeg, specimens of wall-eyes and pickerel have been examined from most of the commercially important Canadian lakes, and in every case plerocercoids which I have identified as D. latum have been found. Ten of these plerocercoids were taken from nine fish during the examination of a lot of forty-one wall-eyes, Stizostedeon vitreum Mitch., sent to me from Lesser Slave Lake. Three plerocercoids of the same species were found in three of twenty-five wall-eyes from Lake Manitoba. One plerocercoid of the same species was found in a single fish in the examination of a lot of twenty-three wall-eyes from Lac la Biche (Alberta) and one plerocercoid was found in one of fifteen pickerel, Esox lucius L., from Lake of the Woods. Fish


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