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 9
... hćmal , " and to the latter that of " neural , " thus applying to the Mollusca the terms already so happily employed by Owen in his designation of the regions of the vertebrate skeleton . These terms have the advantage of stating a ...
... hćmal , " and to the latter that of " neural , " thus applying to the Mollusca the terms already so happily employed by Owen in his designation of the regions of the vertebrate skeleton . These terms have the advantage of stating a ...
Página 28
... hćmal , and two upon the neural side , and are inserted into the opposed surface of the tentacular sheath . Their action checks the complete evagination of the sheath in the way we shall presently see . ( 4. ) Vaginal Sphincter . This ...
... hćmal , and two upon the neural side , and are inserted into the opposed surface of the tentacular sheath . Their action checks the complete evagination of the sheath in the way we shall presently see . ( 4. ) Vaginal Sphincter . This ...
Página 31
... hćmal side , and which sends in its passage a filament to each tentacle on this side of the lophophore , it continues its course ( x ' ) along the roof of the arms to their extremity , sending off at regular intervals a filament to each ...
... hćmal side , and which sends in its passage a filament to each tentacle on this side of the lophophore , it continues its course ( x ' ) along the roof of the arms to their extremity , sending off at regular intervals a filament to each ...
Página 43
... hćmal side , and thus crossing each other at right angles , while the membranous wall of the sac , in every one of the * On the Homology of the Organs of the Tunicata and the Polyzoa . ' Transactions of the Royal Irish Academy , vol ...
... hćmal side , and thus crossing each other at right angles , while the membranous wall of the sac , in every one of the * On the Homology of the Organs of the Tunicata and the Polyzoa . ' Transactions of the Royal Irish Academy , vol ...
Página 44
... hćmal side of the sac , that they constitute , in fact , a series of communicating channels , passing transversely between these two sinuses , re- ceiving the blood from one and pouring it into the other . In advocating the homology of ...
... hćmal side of the sac , that they constitute , in fact , a series of communicating channels , passing transversely between these two sinuses , re- ceiving the blood from one and pouring it into the other . In advocating the homology of ...
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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 character cilia cœnćcium 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 hćmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnćus 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 ŕ Panache polypide Polyzoon portion 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