New Zealand Journal of Marine and Freshwater Research abstracts

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THE PHARYNGEAL CELLS OF ZOOBOTRYON VERTICILLATUM (DELLE CHIAJE) A GYMNOLAEMATE BRYOZOAN

J. S. BULLIVANT

New Zealand Oceanographic Institute, Department of Scientific and Industrial Research, Wellington, New Zealand

R. F. Bils

University of Southern California, Allan Hancock Foundation, Los Angeles, California

Abstract The presence of striated myofibrils in the vacuolated cells of the pharynx of gymnolaemate bryozoans has been confirmed. The action of these musculo-columnar cells is to cause the walls of the pharynx, which is triangular in cross-section, to flex outward thereby sucking in food particles through the mouth. Sense cells were found in the pharynx of Zoohotryon verticillatum.

N.Z Jl mar. Freshwat. Res. 2: 438-46
(Received for publication 19 December 1967)

PDF file of entire paper: medium quality (1810K); (scanned from paper original: notes about this process)

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