Tompsett, D.H. 1939. Sepia. Liverpool Marine
Biological Committee Memoirs. 32: 184 pp. London. Williams and Norgate.
Plate 19, Figures 57-58.
Fig. 57. Dorsal view of the
central nervous system and the nerves which emerge from it. The left optic
ganglion (OP.G.) has been included. A portion of the oesophagus (OES.) has
been left in place to show where it passes through the brain.
Fig.
58. Dorsal view of the central nervous system, to show the grooves (G.P.B.
and G.V.P.) separating the visceral, pedal and brachial ganglia, and also the
relations of the branches of the cephalic artery (CE.A.) to the brain. The
right half of the cerebral ganglion has been removed, and the membrane lining
the peri-oesophageal blood sinus, which passes through the brain, has been
stripped away. The left optic ganglion (C.O.G.) is shown in section.
Key to Abbreviations
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