A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 15
I observed , however , that in one instance the ectocyst of Plumatella repens , after lying for several weeks in a concentrated solution of caustic potash , in which it had been first boiled , presented under the microscope , at one or ...
I observed , however , that in one instance the ectocyst of Plumatella repens , after lying for several weeks in a concentrated solution of caustic potash , in which it had been first boiled , presented under the microscope , at one or ...
Página 18
If a polypide of Plumatella repens be watched while in an exserted state , different kinds of Infusoria and other minute organic bodies may be observed to be whirled along in the vortices caused by the action of the tentacular cilia ...
If a polypide of Plumatella repens be watched while in an exserted state , different kinds of Infusoria and other minute organic bodies may be observed to be whirled along in the vortices caused by the action of the tentacular cilia ...
Página 39
... but , notwithstanding a similar observation already noticed as made by Van Beneden on the marine Laguncula repens , this I feel certain has been an imperfect observation of Meyen , and that the escape of the egg was the result of ...
... but , notwithstanding a similar observation already noticed as made by Van Beneden on the marine Laguncula repens , this I feel certain has been an imperfect observation of Meyen , and that the escape of the egg was the result of ...
Página 58
There would seem to be little doubt of Schäffer's animal being the true Plumatella repens of succeeding authors . In 1755 , Rösel published the first volume of the Supplement to his ' Insecten - Belustigungen.
There would seem to be little doubt of Schäffer's animal being the true Plumatella repens of succeeding authors . In 1755 , Rösel published the first volume of the Supplement to his ' Insecten - Belustigungen.
Página 59
The " Federbusch - polyp " of Rösel is here described under the title of Tubipora repens , but with Back erroneously referred to among the synonyms . In the Fauna Suecica , ' 1761 , we find the same animal mentioned under the same name ...
The " Federbusch - polyp " of Rösel is here described under the title of Tubipora repens , but with Back erroneously referred to among the synonyms . In the Fauna Suecica , ' 1761 , we find the same animal mentioned under the same name ...
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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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Volumen18 de ¬The Ray Society |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |