A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 31
In Cristatella , Lophopus , and other genera with crescentic lophophores , the
ganglion may be seen giving off from each side a rather thick chord ( Pl . II , fig .
24 , x ) which immediately enters the tubular arms of the lophophore , and then ,
after ...
In Cristatella , Lophopus , and other genera with crescentic lophophores , the
ganglion may be seen giving off from each side a rather thick chord ( Pl . II , fig .
24 , x ) which immediately enters the tubular arms of the lophophore , and then ,
after ...
Página 48
and communicating with a series of secondary tubes , which pass off from it at
each side like the leaflets of a pinnate leaf from the common petiole . The main
tube , with its lateral pinnæ , thus constitutes an imperfect diaphragm , which
divides ...
and communicating with a series of secondary tubes , which pass off from it at
each side like the leaflets of a pinnate leaf from the common petiole . The main
tube , with its lateral pinnæ , thus constitutes an imperfect diaphragm , which
divides ...
Página 105
Conecium adherent , creeping ; cells “ keg - shaped ” towards the orifices , which
are rendered emarginate by a notch - like furrow continued down one side of the
cell on a slight keel . Tentacula forty - two . Statoblasts elongated . SYNONYM .
Conecium adherent , creeping ; cells “ keg - shaped ” towards the orifices , which
are rendered emarginate by a notch - like furrow continued down one side of the
cell on a slight keel . Tentacula forty - two . Statoblasts elongated . SYNONYM .
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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 alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous 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 Hist 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 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 | Universidad de Illinois en Urbana-Champaign |
| Digitalizado | 13 Oct. 2015 |
| Largo | 119 páginas |
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