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Corals and Sea Anemone |
Record 151 to 175 of 236 |
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Hydroids Magnified hydroid showing spore-sacs.... |
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Hydromedusa "Diagram showing possible modifications of persons of a gymnoblastic Hydromedusa. a, hydrocaulus (stem); b, hydrohiza (root); c, enteric cavity; d, endoderm; e, ectoderm; f, perisarc (horny case); g,... |
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Hydromedusa "Diagram showing possible modifications of the persons of a Calyptoblastic Hydromedusa. a, hydrocaulus (stem); b, hydrohiza (root); c, enteric cavity; d, endoderm; e, ectoderm; f, perisarc (horny case... |
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Idyia Roseola "Idyia roseola. Seen from the broad side, half natural size. a, anal opening; b, lateral tube; c, circular tube; d, e, f, g, h, rows of paddles." -Parker, 1900... |
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Isis Hippuris "A species of Isis has numerous slender branches, furnished with cylindrical knows at intervals, contracted toward the middle, finely striated; it has a singular resemblance to the Common Mare'... |
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Lizzia "Medusiform person (Lizzia), one of the Anthomedusae, detached from a hydroid colony of the family Endendridae. Ocelli are seen at the base of the tentacles, and two medusiform buds on the sides of t... |
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Loose Winged Virgularia (Virgularia Mirabilis) "These winged species of polypidom are somewhat scythe-shaped, well developed, and furnished with a great quantity of pointed spiculae, which are constituted of bundles at the base of the calyx of eac... |
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Loose Winged Virgularia, Branch of "These winged species of polypidom are somewhat scythe-shaped, well developed, and furnished with a great quantity of pointed spiculae, which are constituted of bundles at the base of the calyx of eac... |
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Madrepora Plantaginea "The Plantain Madrepore is an interesting species, the polyps presenting themselves in tufts, with slender and prolific branches."... |
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Medusa "Diagram of Medusa, illustrating radial symmetry. A, viewed from the oral end of the principal axis; B, a section along the principal axis and through one of the subordinate axes aa1; o, ab. o, the or... |
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Medusae "Portions of sections through the disc of medusae. The upper one of Lizzia, the lower of Aurelia. el, endoderm lamelia, or vascular lamelia; m, muscular processes of the ectoderm cells in cross sect... |
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Millepora "Enlarged view of the surface of a living Millepora, showing five dactylozooids surrounding a central gastrozooid." — Encyclopedia Britannica, 1893... |
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Millepora Nodosa "Portion of the calcareous corallum of Millepora nodosa, showing the cyclical arrangement of the pores occupied by the "persons" or hydranths." — Encyclopedia Britannica, 1893... |
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Mulleri cydonium A genus of the Alcyonidae.... |
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Muscular Cells "Muscular cells of medusae (Lizzia). The uppermost is a purely muscular cell from the sub-umbrella; the two lower are epidermo-muscular cells from the base of a tentacle; the upstanding nucloated por... |
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Nematocyst "Nematocyst of Hydra, showing cell-substance and nucleus, cyat, trigger hair, and everted thread." — Encyclopedia Britannica, 1893... |
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Ocellus "Ocellus of a medusa (Lizzia Koellikeri). oc, pigmented ectodermal cells; l, lens." — Encyclopedia Britannica, 1893... |
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Oculina Virginea Oculina ranges from Cape Hatteras, North Carolina through the Gulf of Mexico and Caribbean, though the main population of concern is off east-central Florida where it forms unique thicket-type structu... |
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Pallida, Astraea Coral that has branched out and looks like a brain.... |
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Pennatula Phosphorea "A. Colony of Pennatula phosphorea from the metarachidial aspect. p, The peduncle. B, Section of the rachis bearing a single pinna. a, Axis; b, metarachidial; c, prorachidial; d, pararachidial stem c... |
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Pennatula phosphorea, Colony of "Colony of Pennatula phosphorea from the metarachidial aspect. p, The peduncle. B, Section of the rachis bearing a single pinna. A, Axis; b, metarachidial; c, prorachidial; d, pararachidial ... |
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Plumatella "Diagram of an Ectoproctous Polyzoon (Plumatella). L., Lophophore; PH., pharynx; A., anus; S., stomach; M., retractor muscle; F., funiculus, a cord of mesodermic tissue; O., cells that form "statoblas... |
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Polpys A colony of polyps on a bit of seaweed. ... |
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Polyp Obelia, a simple polyp, vertical section, highly magnified, m = mouth opening, as.s = alimentary sac... |
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Polyp "A hydroid colony of six polyps; f, feeding polyp; r, reproductive polyp; m, a medusa." —Davison, 1906... |
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