A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 20
The tentacula are tubular, closed at their free extremity, and opening by the
opposite through the lophophore into the perigastric space; in all the Polyzoa
they are armed upon their opposed sides with vibratile cilia, arranged in a single
series, ...
The tentacula are tubular, closed at their free extremity, and opening by the
opposite through the lophophore into the perigastric space; in all the Polyzoa
they are armed upon their opposed sides with vibratile cilia, arranged in a single
series, ...
Página 36
It is the rudimental polypide, and we soon find in it a cavity, which is to become
that of the tentacular sheath, within which, ... The central space between the
rudimental tentacula is prolonged downwards, constituting the first trace of a
pharynx; ...
It is the rudimental polypide, and we soon find in it a cavity, which is to become
that of the tentacular sheath, within which, ... The central space between the
rudimental tentacula is prolonged downwards, constituting the first trace of a
pharynx; ...
Página 46
the calyx-like membrane adherent to the outer side of the tentacula in
Fredericella and the Hippocrepian Polyzoa. This correspondence will be
rendered more obvious by imagining the branchial sinus to be depressed
towards the neural side ...
the calyx-like membrane adherent to the outer side of the tentacula in
Fredericella and the Hippocrepian Polyzoa. This correspondence will be
rendered more obvious by imagining the branchial sinus to be depressed
towards the neural side ...
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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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