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Juday, Chancey (ed.) / Transactions of the Wisconsin Academy of Sciences, Arts and Letters
volume XXI (1924)

Baker, Frank Collins
The fauna of the Lake Winnebago region,   pp. [109]-146 PDF (11.3 MB)


Page 133


Baker-The Fauna of The Lake Winnebago Region.    133
  Lasmigona complanata (Barnes). Omro, Fox River. The- type locality is
the Fox River.
  Lasmigona costata (Raf.). Omro, common and typical.
  Elliptio dilatatus (Raf.). Omro, not common.
  Elliptio dilatatus delicatus (Simpson). Omro, not common.
  Elliptio dililatus sterkii Grier. Lakes Winnebago and Butte des Morts,
com-
mon. The lake forms are all smaller and seem in every way like the Lake Erie
forms described by Grier (1918).
  Pleurobema coccineum (Conrad). Omro, not common.
  Quadrula quadrula (Raf.). Omro, not common.
  Quadrula verrucosa (Raf.). Omro, not common.
  A'mblema costata (Raf.). Omro, Fox River, Lake Butte des Morts, rare.
  Fusconaia flava (Raf.). Omro, not common.
  Fusconaia flava parvula Grier. Lake Winnebago, not common. There is
great variation in the diameter of the shells of this form.
                              SPHAEnIDAE
  Sphaerium sulcatum Lam. Common in Winnebago and Butte des Morts.
  Sphaerium sulcatum planatum St. Found only in Lake Winnebago.
  Sphaerium lineatum St. In debris on Doemel Point, Lake Winnebago. Only
one specimen found of this species, which seems rare in the lake.
  Sphaerium striatinum Lam. Lakes Winnebago, Butte des Morts and Fox
River. The species shows great variation and there may be a variety that
can ultimately be separated when additional material is available.
  Sphaerium lilyeashense Baker. Fox River, rare.
  Sphaerium ohioense St. Lake Winnebago, not common.
  Sphaerium flavum Prime. Lake Butte des Morts, rare.
  Sphaerium solidulum Prime. Lakes Winnebago and Butte des Morts, not
  Sphaerium stamineum Conrad. Lake Winnebago and Fox River, not com-
mon.
  Sphaerium occidentale amphibiuin St. Swale in woods on Plummers Point,
Lake Butte des Morts. Abundant.
  Musculium transversum Say. Lakes Winnebago and Butte des Morts, not
common.
  Musculium truncatum Linsley. Lake Buttes des Morts, not common.
  Musculium jayense Prime. Lakes Winnebago and Butte des Morts, not
common.
  Psidium virginicum Gmelin. Lake Butte des Morts, one specimen, juv.
  Pisidium compressum Prime.
  Pisidium compressum pellucidum St. Lakes Winnebago and Butte des Morts,
common, the variety pellucidum rarer.
Pisidium fallax St. Lake Winnebago, not common.
  Pisidium punctatum simplex St. Lake Winnebago, rare.
  Pisidium variabile Prime. Lakes Winnebago and Butte des Morts, common.
  Pisidium pauperculum St. Same as above, not common.
  Pisidium glabellum St. Lake Butte des Morts, very rare.


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