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Journal of Experimental Biology 8,250-257 (1931)
Published by Company of Biologists 1931

Studies in the Localisation of Respiratory Exchange in Invertebrates : I. The Respiratory Mechanism of the Fresh-Water Crab Potamonautes

ALEXANDER ZOOND 1 and ENID CHARLES 1

1 Department of Zoology, University of Cape Town

1. The respiratory exchange of the fresh-water crab Potamonautes is almost entirely localised in the gills.

2. This crab can respire and survive in water and in air.

3. In water the ventilation of the gills by the activity of the scaphognathite is indispensable to the maintenance of respiratory exchange.

4. In air the scaphognathite is unimportant; simple diffusion suffices to renew the supply of oxygen at the gills.

Submitted on November 25, 1930






© The Company of Biologists Ltd 1931