A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 8
The cells are the little chambers of which the cænæcium is made up , and in each
of which a polypide is lodged . The part of the cell through which the polypide
admits of protrusion and retraction is the orifice of the cell . * Πολυπους , είδος .
The cells are the little chambers of which the cænæcium is made up , and in each
of which a polypide is lodged . The part of the cell through which the polypide
admits of protrusion and retraction is the orifice of the cell . * Πολυπους , είδος .
Página 10
Polypide completely retractile ; evagination perfect ; orifice of cell destitute of
moveable appendage . CYCLOSTOMATA ( marine ) . GYMNOLÆMATA.T
Polypide completely retractile ; evagination perfect ; a circle of setæ attached to
the ...
Polypide completely retractile ; evagination perfect ; orifice of cell destitute of
moveable appendage . CYCLOSTOMATA ( marine ) . GYMNOLÆMATA.T
Polypide completely retractile ; evagination perfect ; a circle of setæ attached to
the ...
Página 11
It must not , however , be supposed that there is here any proper orifice , the
retraction and exsertion consisting merely in an invagination and evagination of
the anterior part of the cell . The cænæcium , in every case , except in Cristatella ,
is ...
It must not , however , be supposed that there is here any proper orifice , the
retraction and exsertion consisting merely in an invagination and evagination of
the anterior part of the cell . The cænæcium , in every case , except in Cristatella ,
is ...
Página 13
The perfectly transparent wide origin of this line gives to the orifice of the cell the
appearance of having a deep notch on one side . In Fredericella a slightly
prominent keel is also apparent , but the notch - like transparent space does not
here ...
The perfectly transparent wide origin of this line gives to the orifice of the cell the
appearance of having a deep notch on one side . In Fredericella a slightly
prominent keel is also apparent , but the notch - like transparent space does not
here ...
Página 14
... investment acquired by the animal during confinement . † The ectocyst in
Paludicella is formed of a smooth pergamentaceous semi - transparent
membrane , free from earthy deposit , and of a deep brown colour . Towards the
orifice ...
... investment acquired by the animal during confinement . † The ectocyst in
Paludicella is formed of a smooth pergamentaceous semi - transparent
membrane , free from earthy deposit , and of a deep brown colour . Towards the
orifice ...
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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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