Summary

Arthur Winkler Wills Note On a Thecated Rotifer from Sutton Park…

In the absence of all measurements it is difficult to decide whether these two animals represent the same species, but the diameter of the trochus in Mr. Oxley’s drawing appears greater than it is in my specimens, and the latter clearly show two tentacular processes, while his figures show only one, though this may result merely from the position in which the animal was sketched.
Source: Wikisource

Arthur Winkler Wills Note On a Thecated Rotifer from Sutton Park…

If the species has not yet received a name, I would suggest that, from the length of its slender foot-stalk, it may be appropriately christened, Œcistes longipes.
I also give figures of Œcistes pilula, drawn to the same scale.
Œcistes longipes—Total length of animal when fully extended, .045in.; when retracted, .026in.; diameter of trochus, .014in.; height of theca, .035in,; greatest diameter of theca, .029in. Theca semi-transparent, milky-white when viewed by dark back-ground illumination. Cilia of the circular trochus conspicuous, those of the cingulum clearly visible under a 1in.
Source: Wikisource

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