He postulated as the far-back ancestor of Vertebrates, "an actinia-like, vermiform being, elongated in the direction of the mouth-slit" (p. 410, 1906), and derived the central nervous system from the circum-oral ring of this primitive form, the notochord from its stomodæum, and the coelom from the peripheral parts of the gastric cavity (p. 169, 1909).    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

actinia Bay, from the large number of actinia which the dredge brought up there.    From Wordnik.com.  [The Voyage of the Vega round Asia and Europe, Volume I and Volume II] Reference

Dicquemarre has further elucidated the history of the actinia; and observed their manner of taking their prey by inclosing it in these beautiful rays like a net.    From Wordnik.com.  [The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation] Reference

On the afternoon following the expedition to Bickleypool, Louis was seated, with an earthenware pan before him, coaxing an actinia with raw beef to expand her blossom, to be copied for Miss Faithfull.    From Wordnik.com.  [Dynevor Terrace: or, the clue of life — Volume 1] Reference

'Thank you, the actinia would not live.    From Wordnik.com.  [Dynevor Terrace: or, the clue of life — Volume 1] Reference