A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 5
Cuvier had 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 ...
Cuvier had 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 ...
Página 27
A muscular tissue is also very evident in the walls of the stomach ; this has
already been described in connection with the histology of the alimentary canal ,
and need not be further referred to here . 6. Muscles of Paludicella . The
muscular ...
A muscular tissue is also very evident in the walls of the stomach ; this has
already been described in connection with the histology of the alimentary canal ,
and need not be further referred to here . 6. Muscles of Paludicella . The
muscular ...
Página 64
... by Raspail ; and though , as we have 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 .
... by Raspail ; and though , as we have 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 .
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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