A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 7
Retracted. - * Region of mouth, surrounded by tentacles. b. Alimentary canal. c.
Anus. d. Nervous ganglion. e. ... the retraction being accompanied by an
invagination of the sac so as partially or entirely to include the oral tentacula
within it; and ...
Retracted. - * Region of mouth, surrounded by tentacles. b. Alimentary canal. c.
Anus. d. Nervous ganglion. e. ... the retraction being accompanied by an
invagination of the sac so as partially or entirely to include the oral tentacula
within it; and ...
Página 28
Its action closes the invaginated endocyst after the retraction of the polypide. (5.)
Parietal Muscles. These are numerous, short but strong, and very evident fibres (
Pl. X, figs. 3, 4, v), which run transversely in the endocystin small groups of two or
...
Its action closes the invaginated endocyst after the retraction of the polypide. (5.)
Parietal Muscles. These are numerous, short but strong, and very evident fibres (
Pl. X, figs. 3, 4, v), which run transversely in the endocystin small groups of two or
...
Página 49
8, 9, page 45) does to the corresponding parts of these during the retracted state
of the animal; it scarcely differs, in fact, ... Those muscles on which devolves the
office of the retraction of the polypide in the Polyzoa are of course absent in the ...
8, 9, page 45) does to the corresponding parts of these during the retracted state
of the animal; it scarcely differs, in fact, ... Those muscles on which devolves the
office of the retraction of the polypide in the Polyzoa are of course absent in the ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
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 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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