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 2
... attached to the leaves of Lemna , along with various fresh - water Infusoria ; and of which he had in 1703 communicated a notice to the Royal Society of London . || The close relation of the Hydra with the marine polypes was now ...
... attached to the leaves of Lemna , along with various fresh - water Infusoria ; and of which he had in 1703 communicated a notice to the Royal Society of London . || The close relation of the Hydra with the marine polypes was now ...
Página 10
... attached to the in- invertible portion , and act- ing as an operculum in the retracted state . Polypide completely retractile ; evagination perfect ; orifice of the cell with a moveable lip . } CYCLOSTOMATA ( marine ) . CTENOSTOMATA ...
... attached to the in- invertible portion , and act- ing as an operculum in the retracted state . Polypide completely retractile ; evagination perfect ; orifice of the cell with a moveable lip . } CYCLOSTOMATA ( marine ) . CTENOSTOMATA ...
Página 11
... attached round the base of the tentacular crown . During the exsertion of the polypide , the invaginated portion of the endocyst is carried out with the latter , thus undergoing a process of evertion , which , however , in all the fresh ...
... attached round the base of the tentacular crown . During the exsertion of the polypide , the invaginated portion of the endocyst is carried out with the latter , thus undergoing a process of evertion , which , however , in all the fresh ...
Página 12
... attached to the cell - wall . For reasons to be presently mentioned , it is highly probable that the endocyst is pervaded by a system of canals of extreme delicacy , which constitute an irregular network in its substance . Besides the ...
... attached to the cell - wall . For reasons to be presently mentioned , it is highly probable that the endocyst is pervaded by a system of canals of extreme delicacy , which constitute an irregular network in its substance . Besides the ...
Página 14
... attached is carried inwards during extreme retraction of the polypide . These ribs I look upon as the true homologue of the setć which crown the cell in Bowerbankia and other ctenostomatous Polyzoa ; if these setć were reduced in number ...
... attached is carried inwards during extreme retraction of the polypide . These ribs I look upon as the true homologue of the setć which crown the cell in Bowerbankia and other ctenostomatous Polyzoa ; if these setć were reduced in number ...
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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