A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 12
... whole extent of the endocyst . I have even succeeded in separating this network as a continuous layer . There can be no doubt that these fibres of the endocyst are muscular , and that it is to their presence that the high degree of ...
... whole extent of the endocyst . I have even succeeded in separating this network as a continuous layer . There can be no doubt that these fibres of the endocyst are muscular , and that it is to their presence that the high degree of ...
Página 13
... whole extent . They were not scattered at random through this membrane , but were contained in the interior of a system of tubes which formed a network in the substance of the endocyst ( Pl . II , fig . 13 ) . They are about theth of an ...
... whole extent . They were not scattered at random through this membrane , but were contained in the interior of a system of tubes which formed a network in the substance of the endocyst ( Pl . II , fig . 13 ) . They are about theth of an ...
Página 15
... whole , the reactions of the pergamentaceous ectocysts of Plumatella , & c . , are rather in favour of this tissue being composed of chitine . It is quite insoluble in strong acetic acid , and in a concentrated solution of caustic ...
... whole , the reactions of the pergamentaceous ectocysts of Plumatella , & c . , are rather in favour of this tissue being composed of chitine . It is quite insoluble in strong acetic acid , and in a concentrated solution of caustic ...
Página 17
... whole tract of the alimentary canal , and , on the application of acetic acid , becomes frequently raised from the subjacent layer . Delicate circular strić may generally be distinctly observed in it , they may be seen surrounding the ...
... whole tract of the alimentary canal , and , on the application of acetic acid , becomes frequently raised from the subjacent layer . Delicate circular strić may generally be distinctly observed in it , they may be seen surrounding the ...
Página 18
... whole course of the alimentary matter , from the moment of its prehension to its final ejection , may be easily witnessed in many of the fresh - water Polyzoa . If a polypide of Plumatella repens be watched while in an exserted state ...
... whole course of the alimentary matter , from the moment of its prehension to its final ejection , may be easily witnessed in many of the fresh - water Polyzoa . If a polypide of Plumatella repens be watched while in an exserted state ...
Otras ediciones - Ver todas
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 |