Tuatara: Volume 10, Issue 3, September 1962
Figure 3. Siboglinum variabile. A, anterior extremity of the body in ventral aspect. B, the same in dorsal aspect. C, region of aggregated papillae in ventral aspect. D, annular region, in ventral aspect. E, portion of an annulus. F, denticulate platelet seen obliquely from one side. G, tube, at the beginning of the region where rings occur. H, middle portion of tube. I, posterior portion of tube. J, tube near its posterior extremity. — Abbreviations: o, ovum visible in the oviduct. Other abbre…
Figure 3. Siboglinum variabile. A, anterior extremity of the body in ventral aspect. B, the same in dorsal aspect. C, region of aggregated papillae in ventral aspect. D, annular region, in ventral aspect. E, portion of an annulus. F, denticulate platelet seen obliquely from one side. G, tube, at the beginning of the region where rings occur. H, middle portion of tube. I, posterior portion of tube. J, tube near its posterior extremity.
Abbreviations: o, ovum visible in the oviduct. Other abbreviations as in the preceding figures.