A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 29
This second portion of the invaginated membrane, which in the retracted state
constitutes the tentacular sheath, continues to be carried outwards by the
advancing polypide, the posterior parieto-vaginal muscles slowly relaxing to
admit of it.
This second portion of the invaginated membrane, which in the retracted state
constitutes the tentacular sheath, continues to be carried outwards by the
advancing polypide, the posterior parieto-vaginal muscles slowly relaxing to
admit of it.
Página 33
restraining membrane of the ovary, and escape into the cavity of the endocyst.
Attached by one extremity to the external surface of the stomach, near the
commencement of the intestine, and by the other attached to the walls of the cell,
and ...
restraining membrane of the ovary, and escape into the cavity of the endocyst.
Attached by one extremity to the external surface of the stomach, near the
commencement of the intestine, and by the other attached to the walls of the cell,
and ...
Página 124
Statoblast of Cristatella mucedo in an early stage; it is surrounded by a ciliated
membrane, and there is as yet no appearance of the marginal spines. . The same
more advanced; the enveloping membrane is destitute of cilia, and the spines ...
Statoblast of Cristatella mucedo in an early stage; it is surrounded by a ciliated
membrane, and there is as yet no appearance of the marginal spines. . The same
more advanced; the enveloping membrane is destitute of cilia, and the spines ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
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 coenoecium crescentic Cristatella Cristatella mucedo d'eau douce described disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid Flustrae fresh-water Polyzoa funiculus ganglion gemmae genera genus Gervais 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 oesophagus organ orifice Original figures ovary ovum Pallas 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 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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman 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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