1. Sepia officinalis. Laminae held apart by innumerable pillars enclosing gas filled cavities. Earlier cavities at top, 0.3 mm wide. Later cavities, 0.6mm wide, at base. Cuttlebone floats when separated from body. July 1968. Port Mary, Kircudbright.
2. Sepia officinalis. Laminae held apart by innumerable pillars enclosing gas filled cavities. Earlier cavities at top, 0.3 mm wide. Later cavities, 0.6mm wide, at base. Cuttlebone floats when separated from body. July 1968. Port Mary, Kircudbright.

Sepia officinalis. Laminae held apart by innumerable pillars enclosing gas filled cavities. Earlier cavities at top, 0.3 mm wide. Later cavities, 0.6mm wide, at base. Cuttlebone floats when separated from body. July 1968. Port Mary, Kircudbright.