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Caption:
HAGFISH (Myxine glutinosa).
1. Outline of the hag, showing: the two ventral openings
(h) by which the water escapes from the gills. 2. Anterior
portion of the body laid open on the ventral side to show
the branchial sacs. æ, gullet laid open, showing on each
side the six apertures by which the water is conducted to
the corresponding branchial pouches (g); d, one of the
efferent ducts by which the water is conducted away from
the branchial pouches; cd, common efferent duct on the
left side, opening on the ventral surface by a branchial
pore (p or h of Fig. 1); gd, special canal developed on the
left side only, and leading from the gullet into the common
branchial duct; n, unpaired nostril, with its
“barbels;” m, mouth.
Captions
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