A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 43
One of these, the Molluscoida, included the Polyzoa and Tunicata; the other, the
Zllollusca proper, embraced all the other members of the molluscan sub-kingdom
. The aflinities of the Tunicata and Polyzoa being thus fully recognised, it is of ...
One of these, the Molluscoida, included the Polyzoa and Tunicata; the other, the
Zllollusca proper, embraced all the other members of the molluscan sub-kingdom
. The aflinities of the Tunicata and Polyzoa being thus fully recognised, it is of ...
Página 49
6, 7, page 44) we shall find that it is continuous with the mantle at the respiratory
and cloacal orifices, and becomes attached to the alimentary canal just behind
the mouth and anus; it thus holds to the surrounding parts in the Tunicata exactly
...
6, 7, page 44) we shall find that it is continuous with the mantle at the respiratory
and cloacal orifices, and becomes attached to the alimentary canal just behind
the mouth and anus; it thus holds to the surrounding parts in the Tunicata exactly
...
Página 50
same time situated in the interval between the internal and middle tunic; it is,
consequently, within the great “ sinus system ”* of the Tunicata, which
corresponds exactly with the perigastric space of the Polyzoa. In the Polyzoa the
two orifices ...
same time situated in the interval between the internal and middle tunic; it is,
consequently, within the great “ sinus system ”* of the Tunicata, which
corresponds exactly with the perigastric space of the Polyzoa. In the Polyzoa the
two orifices ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Volumen28 George James Allman Vista de fragmentos - 1856 |
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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