A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 59
Rösel has here evidently seen the tentacular sheath in a semi - everted state , in
which it presents somewhat the appearance he has described ; and believing
this to be a permanent character of his polype , has been thus led into error .
Rösel has here evidently seen the tentacular sheath in a semi - everted state , in
which it presents somewhat the appearance he has described ; and believing
this to be a permanent character of his polype , has been thus led into error .
Página 77
The genus Cristatella was established by Cuvier , for the little animal originally
described by Rösel under the title of “ Der Kleinere Federbusch Polyp mit dem
ballenförmigen Körper . ” Its characters were given in the ˇ Tableau Elémentaire
des ...
The genus Cristatella was established by Cuvier , for the little animal originally
described by Rösel under the title of “ Der Kleinere Federbusch Polyp mit dem
ballenförmigen Körper . ” Its characters were given in the ˇ Tableau Elémentaire
des ...
Página 78
Including All the Known Species, Both British and Foreign George James Allman.
1824. Cristatella vagans . Goldfuss , Naturhistorisch Atlas . ( Figures copied from
Rösel . ) 1828. Alcyonella , secundus evolutionis gradus . Raspail , Hist .
Including All the Known Species, Both British and Foreign George James Allman.
1824. Cristatella vagans . Goldfuss , Naturhistorisch Atlas . ( Figures copied from
Rösel . ) 1828. Alcyonella , secundus evolutionis gradus . Raspail , Hist .
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell characters cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella crown described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young