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The Pamphlet Collection of Sir Robert Stout: Volume 6

Symbranchidæ

Symbranchidæ.

Body elongate, naked or covered with minute scales; barbels none. Margin of the upper jaw formed by the intermaxillaries only, the well-developed maxillaries lying behind and parallel to them. Paired fins none. Vertical fins rudimentary, reduced to more or less distinct cutaneous folds. Vent situated at a great distance behind the head. Ribs present. Gill-openings confluent into one slit situated on the ventral surface. Air-bladder none. Stomach without cæcal sac or pyloric appendages. Ovaries with oviducts.

Fresh waters and coasts of Tropical America and Asia. Coasts of "Western Australia and Tasmania.

Chilobranchus dorsalis. Tasmanian fresh waters, and North coast of Australia.