1 Subjects: “...echinoderm...”

2 Table of Contents: “... Echinoderms -- Blood and Coelomic Fluid in Relation to Internal Defense in Polychaete Annelids -- Protein...”

3 Table of Contents: “... Integumental DOM Transport in Echinoderms -- 5 Integumental Uptake of DOM in Annelids -- 6 On the Mechanism...”

4 Table of Contents: “... Hermaphroditism in Prosobranch Gastropods -- The Sexuality of Pelecypod Molluscs -- Hermaphroditism in Echinoderms...”