A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 12
... 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
continuous ...
... 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
continuous ...
Página 16
Its margin is slightly elevated , and is continuous on the neural side , with a holow
valve - like organ ( e ) of very peculiar formation . This organ arches over the
mouth , and may be aptly enough compared in shape to the epiglottis of certain ...
Its margin is slightly elevated , and is continuous on the neural side , with a holow
valve - like organ ( e ) of very peculiar formation . This organ arches over the
mouth , and may be aptly enough compared in shape to the epiglottis of certain ...
Página 19
... the side of the rectum , is extended into two long triangular lobes or arms , so
as to cause the lophophore in these genera to present the form of a deep
crescent , round whose entire margin the tentacula are borne in one continuous
series .
... the side of the rectum , is extended into two long triangular lobes or arms , so
as to cause the lophophore in these genera to present the form of a deep
crescent , round whose entire margin the tentacula are borne in one continuous
series .
Página 21
The hepatic layer , which , in other Polyzoa , forms a continuous lining extending
over nearly the whole of the internal surface of the stomach , is here confined to
the anterior portion of this sac , in the space between the cardiac and pyloric ...
The hepatic layer , which , in other Polyzoa , forms a continuous lining extending
over nearly the whole of the internal surface of the stomach , is here confined to
the anterior portion of this sac , in the space between the cardiac and pyloric ...
Página 25
5,9 ) . to which attention was first directed by Van Beneden , and which may be
observed running from below upwards upon the margin of the lophophore ; these
bands are continuous with one another below , and when they arrive at the ...
5,9 ) . to which attention was first directed by Van Beneden , and which may be
observed running from below upwards upon the margin of the lophophore ; these
bands are continuous with one another below , and when they arrive at 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 ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
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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