A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 20
Fig 4. Front view of lophophore and contiguous parts . Ectocyst . 6. Endocyst . c .
Invaginated portion of endocyst adherent to the bases of the tentacula and
entering into the formation of the cup . d . Muscular fibres surrounding the margin
of the ...
Fig 4. Front view of lophophore and contiguous parts . Ectocyst . 6. Endocyst . c .
Invaginated portion of endocyst adherent to the bases of the tentacula and
entering into the formation of the cup . d . Muscular fibres surrounding the margin
of the ...
Página 21
In order to understand this relation , it is necessary to conceive of the polypide as
partially retracted ; the invaginated portion of the endocyst must then be viewed
as adherent to the external portion externally , and to the tentacula ( and calyx ? )
...
In order to understand this relation , it is necessary to conceive of the polypide as
partially retracted ; the invaginated portion of the endocyst must then be viewed
as adherent to the external portion externally , and to the tentacula ( and calyx ? )
...
Página 22
This сир is adherent to the back of the tentacula , and its margin is in most
instances prolonged more or less upon each tentacle , as a narrow triangular
process , so as to present a sort of scalloped or festooned appearance ; the
festooning of ...
This сир is adherent to the back of the tentacula , and its margin is in most
instances prolonged more or less upon each tentacle , as a narrow triangular
process , so as to present a sort of scalloped or festooned appearance ; the
festooning of ...
Página 32
In Paludicella , the ovary occupies the same position as in Alcyonella , forming an
irregularly shaped body ( Pl . X , figs . 3 , 4 , 4 ) , adherent to the inner surface of
the endocyst towards the anterior part of the cell . About the end of June , when I
...
In Paludicella , the ovary occupies the same position as in Alcyonella , forming an
irregularly shaped body ( Pl . X , figs . 3 , 4 , 4 ) , adherent to the inner surface of
the endocyst towards the anterior part of the cell . About the end of June , when I
...
Página 36
This sac is closely adherent to the polypide behind the lophophore , but upon the
lophophore and tentacula it has become free , and here constitutes the tentacular
sheath . Some delicate fibres , the rudiments of the retractor of the polypide ...
This sac is closely adherent to the polypide behind the lophophore , but upon the
lophophore and tentacula it has become free , and here constitutes the tentacular
sheath . Some delicate fibres , the rudiments of the retractor of the polypide ...
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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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