A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 5
He then goes on to compare the walls of the body cavity in Gorgonia , Isis , Alcyonium , & c . , to the tunics of an Ascidian or the mantle of an ordinary Mollusc , a comparison which plainly shows that he had no idea whatever of the ...
He then goes on to compare the walls of the body cavity in Gorgonia , Isis , Alcyonium , & c . , to the tunics of an Ascidian or the mantle of an ordinary Mollusc , a comparison which plainly shows that he had no idea whatever of the ...
Página 8
The Perigastric ** space is the space included between the walls of the endocyst and the alimentary canal . The terms now enumerated are such as I believe the nature of the subject strictly requires . I employed most of them in my ...
The Perigastric ** space is the space included between the walls of the endocyst and the alimentary canal . The terms now enumerated are such as I believe the nature of the subject strictly requires . I employed most of them in my ...
Página 11
9 ) ; the nucleus , with its nucleolus , are imbedded in the walls of the cell . The intervening substance , which , before the application of the acetic acid , appeared simply granular , is now seen to * In Pedicellina , and apparently ...
9 ) ; the nucleus , with its nucleolus , are imbedded in the walls of the cell . The intervening substance , which , before the application of the acetic acid , appeared simply granular , is now seen to * In Pedicellina , and apparently ...
Página 12
In the midst of this a minute vacuola next shows itself ; this becomes the cell - cavity , and gradually increases in size with the enlarging cell ; the nucleus is persistent , remaining attached to the cell - wall .
In the midst of this a minute vacuola next shows itself ; this becomes the cell - cavity , and gradually increases in size with the enlarging cell ; the nucleus is persistent , remaining attached to the cell - wall .
Página 13
... confined to the endocyst , but are also found at the same time in other tissues , especially in the substance of the funiculus , which , as will be afterwards shown , connects the fundus of the stomach with the walls of the cells .
... confined to the endocyst , but are also found at the same time in other tissues , especially in the substance of the funiculus , which , as will be afterwards shown , connects the fundus of the stomach with the walls of the cells .
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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 |
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