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Ferguson, Frederick F. 1943. ?Notes On The Turbellarian Fauna Of Rochester (N.y.) With Special Reference To The Anatomy Of Macrostomum Ontarioense N. Sp.?. American Midland Naturalist 29. American Midland Naturalist: 425-428.

Ferguson, Frederick F, and Ruffin  E Jones. 1940. ?Studies On The Turbellarian Fauna Of The Norfolk Area, I?. American Midland Naturalist 24. American Midland Naturalist: 184-189.