ABSTRACT
Hughes (1960) described the respiratory cycle of Scyliorhinus as commencing with a contraction of the oro-and para-branchial cavities; this phase occupies about one quarter of a cycle and is succeeded by an expansion of these cavities which is rapid at first and terminates in a pause before the next respiration. A similar series of events occurs in the dogfish Squalus acanthias L.
Copyright © 1962 The Company of Biologists Ltd.
1962
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