A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Resultados 1-3 de 17
Página 34
... embryo of Alcyonella . The stage represented in 3 has not been actually seen , but seems to be the only one that will supply the missing link . Towards the opening which leads from without into the central cavity the chorization is ...
... embryo of Alcyonella . The stage represented in 3 has not been actually seen , but seems to be the only one that will supply the missing link . Towards the opening which leads from without into the central cavity the chorization is ...
Página 42
... embryo as a starting point , and a series of buds , of which the last term will consist of a pair of sexual buds , the others being non - sexual ; from the sexual buds a true embryo like the first is again produced , which affords the ...
... embryo as a starting point , and a series of buds , of which the last term will consist of a pair of sexual buds , the others being non - sexual ; from the sexual buds a true embryo like the first is again produced , which affords the ...
Página 88
... embryo , copied from Meyen . ) 1836. Alcyonella stagnorum . Dumortier , Mém . sur les Pol . comp . d'eau douce , p . 24 . 1836. Alcyonella stagnorum . Lamarck , An . sans Vert . , 2d edit . , vol . ii . , p . 116 . 1837. Alcyonella ...
... embryo , copied from Meyen . ) 1836. Alcyonella stagnorum . Dumortier , Mém . sur les Pol . comp . d'eau douce , p . 24 . 1836. Alcyonella stagnorum . Lamarck , An . sans Vert . , 2d edit . , vol . ii . , p . 116 . 1837. Alcyonella ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum 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 septa 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 Zoophytes