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The Holothurian Fauna of Cook Strait, New Zealand

Plate II.—Heteromolpadia marenzelleri (Theel).—Fig. 1, Internal anatomy of adult, dissected from the dorsal side (portions of the gonad removed); fig. 2, tail deposits; fig. 3, anchor-plates; fig. 4, deposits from the extreme anterior end of the body; fig. 5, phosphatic deposits; fig. 6, mid-body tables; fig. 7, stages in development of a mid-body table; fig. 8, calcareous ring of an adult specimen; fig. 9, anchors; fig. 10, mid-body tables showing phosphatic material

Plate II.—Heteromolpadia marenzelleri (Theel).—Fig. 1, Internal anatomy of adult, dissected from the dorsal side (portions of the gonad removed); fig. 2, tail deposits; fig. 3, anchor-plates; fig. 4, deposits from the extreme anterior end of the body; fig. 5, phosphatic deposits; fig. 6, mid-body tables; fig. 7, stages in development of a mid-body table; fig. 8, calcareous ring of an adult specimen; fig. 9, anchors; fig. 10, mid-body tables showing phosphatic material.

Plate II.—Heteromolpadia marenzelleri (Theel).—Fig. 1, Internal anatomy of adult, dissected from the dorsal side (portions of the gonad removed); fig. 2, tail deposits; fig. 3, anchor-plates; fig. 4, deposits from the extreme anterior end of the body; fig. 5, phosphatic deposits; fig. 6, mid-body tables; fig. 7, stages in development of a mid-body table; fig. 8, calcareous ring of an adult specimen; fig. 9, anchors; fig. 10, mid-body tables showing phosphatic material.

Abbreviations: amp.g., groove for passage of tentacle ampulla; c.r., calcareous ring; g.ap., genital aperture; g.d., genital duct; g.tub., genital tubules; int., intestine; ir.p., interradial piece; m.a., attchmeant area for radial muscles; mad., madreporite; m.f., muscle fibres; oes., oesophagus; ph.mat., phosphatic material; p.v., Polian vesicle; r.l.m., radial longitudinal muscle; r.p., radial piece; r.resp., right respiratory tree; tr.m., tranverse muscles.