A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 13
In Cristatella , where the endocyst constitutes the whole of the cænæcium , it
presents below a flattened disc , which closely resembles the foot of a
gasteropodous mollusc , and on which this singular colony creeps about on the
stems and ...
In Cristatella , where the endocyst constitutes the whole of the cænæcium , it
presents below a flattened disc , which closely resembles the foot of a
gasteropodous mollusc , and on which this singular colony creeps about on the
stems and ...
Página 18
The structure of the intestine closely resembles that of the esophagus ; vibratile
cilia however , are altogether absent . In Cristatella , the cells of the internal layer
corresponding to the middle layer of the stomach are large , and filled , in the well
...
The structure of the intestine closely resembles that of the esophagus ; vibratile
cilia however , are altogether absent . In Cristatella , the cells of the internal layer
corresponding to the middle layer of the stomach are large , and filled , in the well
...
Página 27
3 , 4 , n ) resembles in attachments and use the corresponding muscle in the
other species , but is not so distinctly divided into two separate fasciculi . ( 2. )
Anterior Parieto - vaginal Muscles . These constitute four strong fascicali ( Pl . X ,
figs .
3 , 4 , n ) resembles in attachments and use the corresponding muscle in the
other species , but is not so distinctly divided into two separate fasciculi . ( 2. )
Anterior Parieto - vaginal Muscles . These constitute four strong fascicali ( Pl . X ,
figs .
Página 33
It exactly resembles that already described as attached to the fundus of the
stomach and bottom of the cell in Alcyonella . The testicle in Paludicella is an
irregularly lobed mass ( Pl . X , figs . 3 , 4 , X ) , attached , like the ovary , to the
inner ...
It exactly resembles that already described as attached to the fundus of the
stomach and bottom of the cell in Alcyonella . The testicle in Paludicella is an
irregularly lobed mass ( Pl . X , figs . 3 , 4 , X ) , attached , like the ovary , to the
inner ...
Página 41
The external resemblance of these ephippia with the statoblasts of the Polyzoa is
singularly striking ; but , with the very ... to attribute a greater share of significance
to this resemblance than it really deserves.t The reproductive phenomena of ...
The external resemblance of these ephippia with the statoblasts of the Polyzoa is
singularly striking ; but , with the very ... to attribute a greater share of significance
to this resemblance than it really deserves.t The reproductive phenomena of ...
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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 alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella crown 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 important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs 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 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 | Biblioteca Nacional de Austria |
| Digitalizado | 12 Mayo 2011 |
| Largo | 119 páginas |
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