A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 12
These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres over the whole extent of the endocyst . I have even succeeded in separating this network ...
These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres over the whole extent of the endocyst . I have even succeeded in separating this network ...
Página 14
The structure of this body is remarkable ; it consists of a central mass , surrounded by a distinct layer of somewhat elongated cellules placed perpendicularly to its surface . The body which thus closes up the centre of the annular ...
The structure of this body is remarkable ; it consists of a central mass , surrounded by a distinct layer of somewhat elongated cellules placed perpendicularly to its surface . The body which thus closes up the centre of the annular ...
Página 17
Wherever I have had a good opportunity of examining it , I have succeeded in detecting in the stomach three distinct layers . Internally is a yellowish - brown layer ( Pl . III , fig . 7 x ) , which is thrown into large longitudinal ...
Wherever I have had a good opportunity of examining it , I have succeeded in detecting in the stomach three distinct layers . Internally is a yellowish - brown layer ( Pl . III , fig . 7 x ) , which is thrown into large longitudinal ...
Página 18
These correspond to the middle and external layers of the stomach , the former being here largely developed ( A ' ) , while ... In Cristatella , the cells of the internal layer corresponding to the middle layer of the stomach are large ...
These correspond to the middle and external layers of the stomach , the former being here largely developed ( A ' ) , while ... In Cristatella , the cells of the internal layer corresponding to the middle layer of the stomach are large ...
Página 20
Two very distinct layers ( Pl . IX , fig . 5 ) enter into the structure of the tentacula . The external layer consists of rounded cells filled with a colourless fluid , and often presenting a bright nucleus . Some of those cells which ...
Two very distinct layers ( Pl . IX , fig . 5 ) enter into the structure of the tentacula . The external layer consists of rounded cells filled with a colourless fluid , and often presenting a bright nucleus . Some of those cells which ...
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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 |