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Updated: June 23, 2025
These circular islets of coral never rise more than a few feet above the surface of the sea, but there are many other islands in the South Seas some of which have been thrown up by the action of volcanoes, and are wild, rugged, mountainous, and of every conceivable shape and size. The busy corallines before mentioned are so numerous in the South Seas that they build their coral walls everywhere.
Bernard de Jussieu and Guettard followed them up by like inquiries upon the marine sea-anemones and corallines; Reaumur, convinced against his will of the entire justice of Peyssonel's views, adopted them, and made him a half-and-half apology in the preface to the next published volume of the "Memoires pour servir l'Histoire des Insectes;" and, from this time forth, Peyssonel's doctrine that corals are the work of animal organisms has been part of the body of established scientific truth.
Down the cliff, along white saw-teeth of upturned veins of quartz, with Margaret's hand in his, then back for Miss Penny, till they sat looking down into a deep dark basin, almost circular: lined with the most lovely pink and heliotrope corallines: studded with anemones, brown and red and green: every point and ledge decked with delicately-fronded sea-ferns and mosses: and the whole overhung with threatening masses of rock.
Ellis, the wise and benevolent West Indian merchant, read before the Royal Society his paper proving the animal nature of corals, and followed it up the year after by that "Essay toward a Natural History of the Corallines, and other like Marine Productions of the British Coasts," which forms the groundwork of all our knowledge on the subject to this day. The chapter in Dr.
Fifteen or sixteen years after the date of Peyssonel's suppressed paper, the Abbé Trembley published his wonderful researches upon the fresh-water Hydra. Bernard de Jussieu and Guettard followed them up by like inquiries upon the marine sea-anemones and corallines; Réaumur, convinced against his will of the entire justice of Peyssonel's views, adopted them, and made him a half-and-half apology in the preface to the next published volume of the "Mémoires pour servir
There are other animals in the sea, besides medusae, which assist in giving luminosity to its waters; and there are other insects, besides corallines, which extract its lime, destroy its equilibrium, and assist in causing its perpetual motion; but the two species which we have described are the best types of the respective classes to which they belong.
Such are the corals; those corallines which are called Polyzoa; those creatures which fabricate the lamp-shells, and are called Brachiopoda; the pearly Nautilus, and all animals allied to it; and all the forms of sea-urchins and star-fishes.
We may consider the polypi in a zoophyte, or the buds in a tree, as cases where the division of the individual has not been completely effected. Certainly in the case of trees, and judging from analogy in that of corallines, the individuals propagated by buds seem more intimately related to each other, than eggs or seeds are to their parents.
In half an hour after the inmates of the little lodging in High Street were sound asleep, at peace with one another, and at peace with God. Edith was very busily searching for corallines and sea weeds, a few days after the evening walk recorded in our first chapter.
The corals, also, on the margin of Keeling Island occurred in zones; thus the Porites and Millepora complanata grow to a large size only where they are washed by a heavy sea, and are killed by a short exposure to the air; whereas, three species of Nullipora also live amidst the breakers, but are able to survive uncovered for a part of each tide; at greater depths, a strong Madrepora and Millepora alcicornis are the commonest kinds, the former appearing to be confined to this part, beneath the zone of massive corals, minute encrusting corallines and other organic bodies live.
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