A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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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 as a ...
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 as a ...
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 septum has ...
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 septum has ...
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 k ) , which is thrown into large longitudinal rugæ . These
rugæ ...
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 k ) , which is thrown into large longitudinal rugæ . These
rugæ ...
Página 18
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ) , while the ... In Cristatella , the cells of the
internal layer corresponding to the middle layer of the stomach are large , and
filled , in ...
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ) , while the ... In Cristatella , the cells of the
internal layer corresponding to the middle layer of the stomach are large , and
filled , in ...
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 lie upon the back of
the ...
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 lie upon the back of
the ...
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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
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium 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 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 represented 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, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| 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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