A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 43
... Tunicata ; the other , the Mollusca proper , embraced all the other members of the molluscan sub - kingdom . The affinities of the Tunicata and Polyzoa being thus fully recognised , it is of importance to know in what these affinities ...
... Tunicata ; the other , the Mollusca proper , embraced all the other members of the molluscan sub - kingdom . The affinities of the Tunicata and Polyzoa being thus fully recognised , it is of importance to know in what these affinities ...
Página 49
... Tunicata united ; and the point where the rectum opens externally in the Polyzoa is not therefore , as supposed by Van Beneden and others , the homologue of the cloacal orifice in the Tunicata with the cloacal chamber itself become ...
... Tunicata united ; and the point where the rectum opens externally in the Polyzoa is not therefore , as supposed by Van Beneden and others , the homologue of the cloacal orifice in the Tunicata with the cloacal chamber itself become ...
Página 50
... Tunicata , and therefore comes to be situated on the polypide itself , all whose motions it then necessarily follows . To render more complete our comparison between the Tunicata and the Polyzoa , one interesting point of difference ...
... Tunicata , and therefore comes to be situated on the polypide itself , all whose motions it then necessarily follows . To render more complete our comparison between the Tunicata and the Polyzoa , one interesting point of difference ...
Otras ediciones - Ver todas
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 Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes