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 5
... already determined a striking difference of structure between the Sertularian Polypes and those of Alcyonium , and a third type of structure , widely different from both , was now pointed out by M. Edwards as characterising the Flustræ ...
... already determined a striking difference of structure between the Sertularian Polypes and those of Alcyonium , and a third type of structure , widely different from both , was now pointed out by M. Edwards as characterising the Flustræ ...
Página 35
... already mentioned , but we now find that these bands , which must not be confounded with the permanent parieto - vaginal bands of the adult , have disappeared , and the evagination has become complete ( Pl . XI , fig . 34 ) . The ...
... already mentioned , but we now find that these bands , which must not be confounded with the permanent parieto - vaginal bands of the adult , have disappeared , and the evagination has become complete ( Pl . XI , fig . 34 ) . The ...
Página 64
... already seen , he erroneously ascribed to the funiculus the function of a muscle , he interpreted truly as retractor muscles the appearance which Raspail referred to the inverted sheath of the tentacula . Raspail did not allow the cilia ...
... already seen , he erroneously ascribed to the funiculus the function of a muscle , he interpreted truly as retractor muscles the appearance which Raspail referred to the inverted sheath of the tentacula . Raspail did not allow the cilia ...
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