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VII.—Experiments on the Respiratory Mechanism of the Shore Crab (Carcinus mænas)

Published online by Cambridge University Press:  15 September 2014

Robert K. S. Lim
Robert K. S. Lim
Affiliation:
Laboratory of Physiology, Edinburgh University
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Summary

(a) The direction of the respiratory current is postero-anterior, whether the crab is above the sand or buried in it.

(b) Reversal of this direction also occurs and is more frequent when the animal is buried or when a strong ink suspension is used during an experiment.

(c) The sub-branchial cleft may be divided into four separate spaces which are in direct communication with gaps between certain gill origins, the whole constituting the sub-branchial inlets.

(d) The direction of these inlets varies from postero-anterior to almost latero-medial.

(e) They determine the direction of the inhaled currents within the branchial chambers.

(f) The relation between the position of the gills and these inlets allows for a convenient and maximal flow.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 38 , 1919 , pp. 48 - 56
Copyright
Copyright © Royal Society of Edinburgh 1919

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References

LITERATURE

(1)Bohn, , “Respiration des Décapodes,” Bull. scient. France et Belgique, 1902, t. xxxvi, sér. 6, pp. 178–551.Google Scholar
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