A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 51
... remaining undeveloped, so that the anus comes into close apposition with the
oral extremity, while the edges of the latter are produced into long ciliated
tentacles; and the result will be a Poly-zoon, which needs only the power of
gemmation ...
... remaining undeveloped, so that the anus comes into close apposition with the
oral extremity, while the edges of the latter are produced into long ciliated
tentacles; and the result will be a Poly-zoon, which needs only the power of
gemmation ...
Página 73
the most important difference, consisting in the greater number of tentacula, is
founded on _a figure of Paludicella Ehrenbergi, given by myself some years
before, and which having been incorrectly engraved with too many tentacles, has
thus ...
the most important difference, consisting in the greater number of tentacula, is
founded on _a figure of Paludicella Ehrenbergi, given by myself some years
before, and which having been incorrectly engraved with too many tentacles, has
thus ...
Página 163
The lophophore is as yet destitute of tentacles. 30". The same polypide slightly
more advanced. Some tentacles have begun to develope themselves from the
margin of the lophophore. 31. An embryo containing two polypides. 32. The same
...
The lophophore is as yet destitute of tentacles. 30". The same polypide slightly
more advanced. Some tentacles have begun to develope themselves from the
margin of the lophophore. 31. An embryo containing two polypides. 32. The same
...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Volumen28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent Alcyonella alimentary canal Allman anatomical animal annulus Ascidian attached become Beneden branches branchial sac Brit Brux campanulata cavity cell cilia coenoecium confined crescentic Cristatella mucedo d’eau douce described disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres fig filament filled find first floating fluid Flustrae Fredericella fresh-water Polyzoa funiculus ganglion gemma genera genus Gervais Hancock hippocrepian Hist homologous intestine invaginated l’Acad Lamarck layer Leidy Lop/zopus lophophore Lophopus magnified margin Mém membrane memoir Meyen Miiller mouth Naisa naturalists observed oesophagus orifice Original figures ovary ovum Paludicella peculiar Pedicellina perigastric space Plumatella repens Polype Polype a Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rosel seen septa side sinus species specific specimens statoblasts stomach structure sultana 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 Ray Society Publications, Publications Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
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