A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... magnified . 3. Imperfect septum at commencement of a branch . 4. Statoblast . 5. Extremity of a tentacle , much magnified , with the internal layer partly exposed by the removal of the external cellular layer . 6. Muscular fibre of F ...
... magnified . 3. Imperfect septum at commencement of a branch . 4. Statoblast . 5. Extremity of a tentacle , much magnified , with the internal layer partly exposed by the removal of the external cellular layer . 6. Muscular fibre of F ...
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... magnified . 3. A very much enlarged drawing of a cell with the polypide retracted ; showing the anatomical details . 4. A cell seen in section with the polypide exserted , and exhibiting anatomical details . The ovary and testis are ...
... magnified . 3. A very much enlarged drawing of a cell with the polypide retracted ; showing the anatomical details . 4. A cell seen in section with the polypide exserted , and exhibiting anatomical details . The ovary and testis are ...
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... magnified . The original nucleus has become converted into a spermatozoal filament , which lies coiled up within the cell . 21. Spermatozoal filaments escaping from the vesicles of evolution . 22. A vesicle of evolution with the ...
... magnified . The original nucleus has become converted into a spermatozoal filament , which lies coiled up within the cell . 21. Spermatozoal filaments escaping from the vesicles of evolution . 22. A vesicle of evolution with the ...
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... magnified . 41. Peculiar refractive corpuscles constituting the contents of these cells . 42. Statoblast of Plumatella repens , with the young polyzoon escaping from it . Its two faces have separated from one another , and are seen ...
... magnified . 41. Peculiar refractive corpuscles constituting the contents of these cells . 42. Statoblast of Plumatella repens , with the young polyzoon escaping from it . Its two faces have separated from one another , and are seen ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes