A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 16
The mouth (Pl. II, fig. 24, d) is a simple edentulous orifice of a circular or slightly
crescentic form, placed in the centre of the body of the lophophore, and
consequently occupying the bottom of the tentacular crater. Its margin is slightly
elevated, ...
The mouth (Pl. II, fig. 24, d) is a simple edentulous orifice of a circular or slightly
crescentic form, placed in the centre of the body of the lophophore, and
consequently occupying the bottom of the tentacular crater. Its margin is slightly
elevated, ...
Página 21
The mouth, which occupies its normal position in the body of the lophophore,
opens into an oesophagus, which after a short course terminates in the stomach.
This is a large sac which lies in the bottom of the cell; close to the pyloric orifice it
...
The mouth, which occupies its normal position in the body of the lophophore,
opens into an oesophagus, which after a short course terminates in the stomach.
This is a large sac which lies in the bottom of the cell; close to the pyloric orifice it
...
Página 46
... by a rotation round its oral extremity through an angle of 90° in a vertical plane
passing through the mouth and anus; its position from longitudinal will thus be
changed to transverse, while the transverse bars will become longitudinal, and
the ...
... by a rotation round its oral extremity through an angle of 90° in a vertical plane
passing through the mouth and anus; its position from longitudinal will thus be
changed to transverse, while the transverse bars will become longitudinal, and
the ...
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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 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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