A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 33
Attached by one extremity to the external surface of the stomach , near the
commencement of the intestine , and by the other attached to the walls of the cell
, and apparently also in connection at this place with the ovary , is a cylindrical
flexible ...
Attached by one extremity to the external surface of the stomach , near the
commencement of the intestine , and by the other attached to the walls of the cell
, and apparently also in connection at this place with the ovary , is a cylindrical
flexible ...
Página 102
Cænæcium irregularly branched , attached only at its origin ; cells cylindrical ,
destitute of furrow , but obscurely keeled . Statoblasts elongated . SYNONYMS .
— 1844 . Plumatella fruticosa . Allman , Ann . Nat . Hist . , vol . xii , p . 330 . 1846.
Cænæcium irregularly branched , attached only at its origin ; cells cylindrical ,
destitute of furrow , but obscurely keeled . Statoblasts elongated . SYNONYMS .
— 1844 . Plumatella fruticosa . Allman , Ann . Nat . Hist . , vol . xii , p . 330 . 1846.
Página 106
Lakes , attached to the under side of stones . LOCALITY . — Bromley Lough ,
Northumberland , rather abundant . Hancock . I have not met with this Polyzoon .
Mr. Hancock , who discovered it along with several other species in Bromley
Lough ...
Lakes , attached to the under side of stones . LOCALITY . — Bromley Lough ,
Northumberland , rather abundant . Hancock . I have not met with this Polyzoon .
Mr. Hancock , who discovered it along with several other species in Bromley
Lough ...
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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