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Vol. 36(2), 2001

Figs 257-264 Doryssa macapa anatomy: 257) pallia) cavity, ventral-inner view; 258) detail of poslerior end of pallial cavity, ventral-inner view, pericardium and kidney opencd, inner surface exposed; 259) transversal section in middle region of pallial caviry; 260) pallial spcrmoduct, vcntral view, inner lamina partially deflccted to show inner surface, part of mantlc also shown; 261) same for pallia) oviduct; 262) odontophore, dorsal vicw; 263) same, ventral vicw, Hrst layer of musclcs and membranes cxtractcd; 264) same, ventral view, right muscles (left in figurę) deflccted to show inner strueiurcs. Scales = 1 mm.