A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 58
In 1755 , Rösel published the first volume of the Supplement to his ' Insecten - Belustigungen.'§ We have here a history of the fresh - water Polyzoa which had come under his own observation . Under the name of " der Federbusch - polyp ...
In 1755 , Rösel published the first volume of the Supplement to his ' Insecten - Belustigungen.'§ We have here a history of the fresh - water Polyzoa which had come under his own observation . Under the name of " der Federbusch - polyp ...
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 60
We have seen that Trembley ascribed the currents in question to the motion of the tentacula , while Rösel , on the other hand , attributed them to the water ejected from the mouth . Leendert Bomme has the credit of referring them to the ...
We have seen that Trembley ascribed the currents in question to the motion of the tentacula , while Rösel , on the other hand , attributed them to the water ejected from the mouth . Leendert Bomme has the credit of referring them to the ...
Página 62
At length , Cuvier , in his ' Tableau élémentaire des Animaux , ' * struck by the distinctive characters of the little Polyzoon described by Rösel , under the name of " Der Kleinere Federbusch - polyp mit dem ballen - förmigen Körper ...
At length , Cuvier , in his ' Tableau élémentaire des Animaux , ' * struck by the distinctive characters of the little Polyzoon described by Rösel , under the name of " Der Kleinere Federbusch - polyp mit dem ballen - förmigen Körper ...
Página 63
Lamarck enumerates four species of Plumatella , namely , P. cristata = " Polype ŕ Panache , " Trembley ; P. campanulata " Federbusch - polyp , " Rösel ; P. repens = Kammpolyp , " Schäffer ; and P. lucifuga , Vaucher .
Lamarck enumerates four species of Plumatella , namely , P. cristata = " Polype ŕ Panache , " Trembley ; P. campanulata " Federbusch - polyp , " Rösel ; P. repens = Kammpolyp , " Schäffer ; and P. lucifuga , Vaucher .
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Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
action adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella 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 Hancock Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organ 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