A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Including All the Known Species, Both British and Foreign George James Allman.
} 1834. Plumatella repens . 1834. Plumatella lucifuga . Blainville , Actinologie , p .
490 . 1836. Plumatella lucifuga ? Lamarck , An . sans Vert . 2d edit . , vol . ii , p ...
Including All the Known Species, Both British and Foreign George James Allman.
} 1834. Plumatella repens . 1834. Plumatella lucifuga . Blainville , Actinologie , p .
490 . 1836. Plumatella lucifuga ? Lamarck , An . sans Vert . 2d edit . , vol . ii , p ...
Página 102
Including All the Known Species, Both British and Foreign George James Allman.
Ova ( statoLength of the segments about 1 mm . , breadth 1 mm . Animal
colourless . blasts ) oval , lenticular , with an annulus , but without spines . ' Leidy
.
Including All the Known Species, Both British and Foreign George James Allman.
Ova ( statoLength of the segments about 1 mm . , breadth 1 mm . Animal
colourless . blasts ) oval , lenticular , with an annulus , but without spines . ' Leidy
.
Página 108
Plumatella Dumortieri , Allman . Pl . VIII , figs . 145 , Specific character . —
Cænæcium adherent , irregularly branched ; cells somewhat dilated towards the
orifices , with a furrow carinated . Tentacula about fifty ; festooning of calyx deep
and ...
Plumatella Dumortieri , Allman . Pl . VIII , figs . 145 , Specific character . —
Cænæcium adherent , irregularly branched ; cells somewhat dilated towards the
orifices , with a furrow carinated . Tentacula about fifty ; festooning of calyx deep
and ...
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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 character cilia closely complete condition connected consists constitutes contained continuous 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 Hist 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