A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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In fixing the exact limits of the species , some difficulty has been experienced . I have however , deemed it best to describe as a distinct species every well - marked variation of form which I could not find connected by intermediate ...
In fixing the exact limits of the species , some difficulty has been experienced . I have however , deemed it best to describe as a distinct species every well - marked variation of form which I could not find connected by intermediate ...
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which I could not find connected by intermediate gradations with other forms , and which could not , with probability , be referred to the accidental influence of external agencies . It is possible that some of the forms here described ...
which I could not find connected by intermediate gradations with other forms , and which could not , with probability , be referred to the accidental influence of external agencies . It is possible that some of the forms here described ...
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... opposed the views of Peysonelle , while laying them before the Academy , but , through consideration for the reputation of the author , deemed it right to suppress his name in connection with so absurd and visionary a doctrine .
... opposed the views of Peysonelle , while laying them before the Academy , but , through consideration for the reputation of the author , deemed it right to suppress his name in connection with so absurd and visionary a doctrine .
Página 5
... in a very complete manner the anatomy of the Flustræ , but was the first to call attention to the close connection of their structure with that of the Ascidia , and the important bearing of this connection on their systematic rank .
... in a very complete manner the anatomy of the Flustræ , but was the first to call attention to the close connection of their structure with that of the Ascidia , and the important bearing of this connection on their systematic rank .
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The Polyzoa being all composite animals , the canoecium constitutes essentially an assemblage of little cells or chambers , of very various form , organically connected . with one another . Each chamber lodges a polypide , and its ...
The Polyzoa being all composite animals , the canoecium constitutes essentially an assemblage of little cells or chambers , of very various form , organically connected . with one another . Each chamber lodges a polypide , and its ...
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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 |