Siphonophora

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“Diagram showing possible modifications of medusiform and hydriform persons of a colony of Siphonophora. n, pneumatocyst; k, nectocalyces (swimming bells); l, hydrophyllium (covering-piece); i, generative medusiform person; g, dactylozooid with attached tentacle, h; e, nutritive hydriform person, with branched grappling tentacle, f; m, stem. The thick black line represents endoderm, the thinner line ectoderm.” — Encyclopedia Britannica, 1893

Keywords

Medusiform, Hydriform, Dactylozooid, Siphonophora, Pneumatocyst, hydrophyllium

Galleries

Corals and Sea Anemone

Source

The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)

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