Zoology Publications from Victoria University of Wellington—Nos. 58 to 61
Fig. 1: The column body wall of I. olivacea. A transverse section stained by the Mallory/Azan technique, × 460.
C, muscle fibre; EC, ectoderm; EN, endoderm; M, mesogloea; N, ectodermal nerve net; arrows show mesogloeal cells.
Fig. 2: Supporting cell from the ectoderm of the column. Dissociation preparation photographed by phase contrast illumination, × 620. N, nucleus; P, projection.
Fig. 3: Transverse section of the column showing the outer region of the ectoderm. Heidenhain's iron haematoxylin/orange G stain, × 930. C, cuticle; P, projections.
Fig. 4: Epitheliomuscular cell from the endoderm of the column. Dissociation preparation photographed by phase contrast illumination, × 1,100.
C, muscle fibre; F, flagellum; S, cytoplasmic strand connecting muscle fibre to epithelial part of cell (Nucleus not showing).
Fig. 5: "Verruco-cinclide" from a transverse section of the column.
Mallory/Azan preparation, × 490.
EC, ectoderm; EN, endoderm; M, mesogloea.
Fig. 6: Transverse section through column body wall showing orientation of mesogloeal fibres. Sulphation toluidine blue stain, × 740.
C, muscle fibre; EC, ectoderm; M, mesogloea.