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Corals and Sea Anemone |
Record 26 to 50 of 236 |
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Antipatharians "Structure of Antipatharians. 1. A group of polyps--M. mouth; t., tentacles. 2. Axis without polyps and coenenchyma, covered with spines (Sp.). 3. Vertical section of polyp--A., axis; t., tentacle; g.... |
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Antipathes Dichotoma "A, portion of a colony of Antipathes dichotoma. B, single zooid and axis of the same magnified. m, mouth; mf, mesenterial filament; ax, axis. C, transverse section through the oral cone of Antipathe... |
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Ascidian Stages "Diagram of the metamorphosis of the free, tailed larva into the fixed Ascidian. A, stage of free-swimming larva; B, larva recently fixed; C, older fixed stage. adh, adhesive papillae; atr, atrial cav... |
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Ascidian, Compound Commonly known as the ascidians or sea squirts.... |
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Ascidians, compound "The compound ascidians, or Botryllidae, are united togetyher by the coalescence of of their mantles, so as to form a leathery or gelatinous mass, ususally attached to stones or sea-weed; in th... |
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Ascidians, compound "The compound ascidians, or Botryllidae, are united togetyher by the coalescence of of their mantles, so as to form a leathery or gelatinous mass, ususally attached to stones or sea-weed; in th... |
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Ascidians, social "The Clavellinidae, or Social Ascidians, are united by means of a sort of creeping stem, which runs along the surface of submarine objects, and gives rise at intervals to short footstalk... |
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Astroides Calicularis "Tangential section of a larva of Astroides calicularis which has fixed itself on a piece of cork. ec, Ectoderm; en, endoderm; mg, mesogloea; m, m, mesenteries; s, septum; b, basal plate formed of el... |
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Astylus Subvividis "Portion of the corallum of Astylus subvividis (one of the Stylasteridae), showing cyclosystems placed at intervals on the branches, each with a central gastropore and zone of slit-like dactylopores."... |
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Aurelia "Gelatinous substance of the disc of Aurelia, showing-a, fibrous trabeculae, and b, wandering endoderm cells, with amaebold movements." — Encyclopedia Britannica, 1893... |
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Aurelia "Development of Aurelia. Above to the left, young scyphistoma with four perradial tentacles. Below to left, scyphistoma with sixteen tentacles and first constriction. To the right, strobila conditi... |
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Aurelia Aurita "Surface view of the sub-umbrella or oral aspect of Aurelia aurita, to show the position of the openings of the sub-genital pits, GP. In the center is the mouth, with four perradial arms correspondin... |
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Aurelia Aurita "Half of the lower surface of Aurelia aurita. The transparent tissues allow the enteric cavities and canals to be seen through them. a, marginal lappets hiding tentaculocysts; b, oral arms; v, axial... |
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Aurelia Aurita "Tentaculocyst and marginal lappets of Aurelia aurita. In the lefthand figure-ML, marginal lappets; T, tentaculocyst; A, superior or aboral surface, magnified about 50 diameters. In the right-hand f... |
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Blue Minyad (Minyas Cyanea) "The Blue Minyad is a type of a family in which the base of the body, in place of extending itself in a disk-like form, in order to grapple with the rocks and other projections at the bottom of the se... |
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Body-wall "Portion of the body-wall of Hydra, showing ectoderm cells above, separated by "structureless lamelia" from three flagellate endoderm cells below. The latter are vacnolated, and contain each a nucleu... |
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Bryozoan, Prehistoric Eschara elegans (Coscinopleura) is a prehistoric bryozoan, a marine animal similar to a coral.... |
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Bryozoan, Prehistoric Eschara philomela is a prehistoric bryozoan, a marine animal similar to a coral.... |
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C. Rubrum "Corallium rubrum, a corner of a colony. A., Anthocodia or retractile portion of a polyp; r.p., completely retracted polyp, with the verruca or calyx portion left protruding; C., coenenchyma; T., pinn... |
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Calcarina Spengleri An illustration of calcarina spengleri.... |
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Campanularia "Diagram of a colony of Campanularia, showing four forms of persons. A, portion of a fixed colony; a, hydriform person; b, bud-bearing hydriform person (blastostyle); B, free-swimming colony, being s... |
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Carboniferous Landscape "Ideal landscape of the Carboniferous Period." -Taylor, 1904... |
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Carmarina "Diagram of a vertical section of Carmarina hastata, passing on the right through the whole length of a radiating canal, and on the left through the outspread lobe of an ovary. l, gelatinous substanc... |
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Caryophyllia Cyathus "This genus has the summit hollowed out into a starlike cup. It inhabits the Mediterranean, and is common on some parts of the English and Irish coasts."... |
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Cerianthus Solitarius "A, Cerianthus solitarius. B, Transverse section of the stomodaeum, showing the sulculus, sl, and the arrangement of the mesenteries. C, Oral aspect of Arachnactis brachiolata, the larva of Cerianth... |
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