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
... Ehrenbergi, given by myself some years before, and which having been
incorrectly engraved with too many tentacles, has thus unfortunately become a
source of error in Mr. Hancock's determination of the N orthumberland species.
... Ehrenbergi, given by myself some years before, and which having been
incorrectly engraved with too many tentacles, has thus unfortunately become a
source of error in Mr. Hancock's determination of the N orthumberland species.
Página 163
Some tentacles have begun to develope themselves from the margin of the
lophophore. 31. An embryo containing two polypides. 32. The same more
advanced. The polypides have acquired nearly their perfect development. 33.
The same ...
Some tentacles have begun to develope themselves from the margin of the
lophophore. 31. An embryo containing two polypides. 32. The same more
advanced. The polypides have acquired nearly their perfect development. 33.
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 |
A Monograph of the Fresh-Water Polyzoa: Including All the Known Species ... George James Allman Sin vista previa disponible - 2016 |
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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