A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 43
... homologous with the tentacula of the Polyzoon . Under the other head it is asserted that the respiratory sac of the Ascidian is homologous with the tentacular crown of the Polyzoa . I have carefully examined all that has been urged in ...
... homologous with the tentacula of the Polyzoon . Under the other head it is asserted that the respiratory sac of the Ascidian is homologous with the tentacular crown of the Polyzoa . I have carefully examined all that has been urged in ...
Página 46
... homologous with the unciliated rudimental tentacula at the entrance of the respiratory sac in the Ascidia is apparent also , not only from the difference of structure , but from the fact , that while the tentacula of the Polyzoa are in ...
... homologous with the unciliated rudimental tentacula at the entrance of the respiratory sac in the Ascidia is apparent also , not only from the difference of structure , but from the fact , that while the tentacula of the Polyzoa are in ...
Página 49
... homologous with the mantle cavity of ordinary molluscs , as has been already maintained by Huxley , * and the cavity of the tentacular sheath in the Polyzoa has precisely the same signification . The view of the homologies here taken is ...
... homologous with the mantle cavity of ordinary molluscs , as has been already maintained by Huxley , * and the cavity of the tentacular sheath in the Polyzoa has precisely the same signification . The view of the homologies here taken is ...
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 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 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