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III.—Notes on new or imperfectly known Chalk Polyzoa

Published online by Cambridge University Press:  01 May 2009

Extract

Zoœcia large, subpyriform, with broad margins sloping slightly inwards and expanding at the foot into a short front wall; areas elliptical, length ·5 to ·75 mm., breadth ·31 to ·45 mm., tapering towards the head, across which stretches a slight internal shelf, which straightens the apparent outline; from the edge of this shelf hangs a stout oval ring, which connects it with the floor of the zoœcium; zoœcial boundaries distinct.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1910

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References

page 258 note 4 Dedicated to the Editor.

page 260 note 1 Bull. Soc. Géol. France, 1900, p. 456.Google Scholar