A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 34
Towards the opening which leads from without into the central cavity the
chorization is incomplete, the membrane as it separates being here still held to
the walls of the cavity by irregular transverse bands; these bands check the entire
...
Towards the opening which leads from without into the central cavity the
chorization is incomplete, the membrane as it separates being here still held to
the walls of the cavity by irregular transverse bands; these bands check the entire
...
Página 36
The polypide is now seen to be suspended from the wall of the cell by a
membranous sac. ... fibres, the rudiments of the retractor of the polypide, may
now be plainly seen extending from just behind the lophophore to the walls of the
cell.
The polypide is now seen to be suspended from the wall of the cell by a
membranous sac. ... fibres, the rudiments of the retractor of the polypide, may
now be plainly seen extending from just behind the lophophore to the walls of the
cell.
Página 52
The walls of this cavity are at first in close apposition with those of the thoracic
chamber, which completely encloses it, so that the two cavities at this stage
appear as one, being exactly co-extensive; we soon perceive, however, that the
proper ...
The walls of this cavity are at first in close apposition with those of the thoracic
chamber, which completely encloses it, so that the two cavities at this stage
appear as one, being exactly co-extensive; we soon perceive, however, that the
proper ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Volumen28 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 Alcyonella alimentary canal Allman anatomical animal annulus Ascidian attached become Beneden branches branchial sac Brit Brux campanulata cavity cell cilia coenoecium confined crescentic Cristatella mucedo d’eau douce described disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres fig filament filled find first floating fluid Flustrae Fredericella fresh-water Polyzoa funiculus ganglion gemma genera genus Gervais Hancock hippocrepian Hist homologous intestine invaginated l’Acad Lamarck layer Leidy Lop/zopus lophophore Lophopus magnified margin Mém membrane memoir Meyen Miiller mouth Naisa naturalists observed oesophagus orifice Original figures ovary ovum Paludicella peculiar Pedicellina perigastric space Plumatella repens Polype Polype a Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rosel seen septa side sinus species specific specimens statoblasts stomach structure sultana surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Ray Society Publications, Publications Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
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