Publisher's Synopsis
Excerpt from A List of the Rotatoria of the Great Lakes and of Some of the Inland Lakes of Michigan
Beneath the stomach is the long ovary, and behind this is the small contractile vesicle.
The animal, like most pelagic species, is generally in active motion, and incessantly changing its form. The drawings give the form when freely swimming and fairly extended; it is often much shorter and thicker. Almost any small part of the body may be much contracted, so as to leave two large parts connected by a narrow neck. Especially Often the body is deeply constricted immediately behind the two lateral projections, less often just in front of them. Sometimes constriction takes place in both these regions at once, so that the projections Sink deep below the level of the remainder of the body, giving the animal a strange wasp like form.
L. St. Clair; in towings, both surface and deep; not abundant, though a few occurred in almost every take.
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