A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 72
... Alcyonella fungosa , while his Alcyonella stagnarum appears to be the young condition of a Plumatella . His Plumatella repens would seem to include more than one species , but neither from his descriptions nor figures is it possible to ...
... Alcyonella fungosa , while his Alcyonella stagnarum appears to be the young condition of a Plumatella . His Plumatella repens would seem to include more than one species , but neither from his descriptions nor figures is it possible to ...
Página 89
Including All the Known Species, Both British and Foreign George James Allman. Alcyonella fungosa presents itself in the form of brown fungoid masses of very variable ... Alcyonella fungosa presents itself in the form of brown fungoid ...
Including All the Known Species, Both British and Foreign George James Allman. Alcyonella fungosa presents itself in the form of brown fungoid masses of very variable ... Alcyonella fungosa presents itself in the form of brown fungoid ...
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... Alcyonella fungosa filled with secondary nucleated cells ( " vesicles of evolution " ) . 18. The mother - cell has disappeared , but the vesicles of evolution still adhere together , while from several the spermatozoal filament is seen ...
... Alcyonella fungosa filled with secondary nucleated cells ( " vesicles of evolution " ) . 18. The mother - cell has disappeared , but the vesicles of evolution still adhere together , while from several the spermatozoal filament is seen ...
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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 longitudinal 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