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 56
Página 59
... described ; and believing this to be a permanent character of his polype , has been thus led into error . He has witnessed the currents caused by the tentacular cilia , but has attributed them to water expelled from the mouth . 66 A ...
... described ; and believing this to be a permanent character of his polype , has been thus led into error . He has witnessed the currents caused by the tentacular cilia , but has attributed them to water expelled from the mouth . 66 A ...
Página 70
... described , and the peculiarities of Paludicella were deemed of sufficient importance to raise this genus to the type of a distinct family among the fresh - water Polyzoa . In 1846 , I described , in a paper read before the Royal Irish ...
... described , and the peculiarities of Paludicella were deemed of sufficient importance to raise this genus to the type of a distinct family among the fresh - water Polyzoa . In 1846 , I described , in a paper read before the Royal Irish ...
Página 71
... described , but the essential structure of an ovum is attributed to them , while some confusion has arisen with regard to the statoblast of Lophopus crystallinus , the body described as such being mani- festly the statoblast of ...
... described , but the essential structure of an ovum is attributed to them , while some confusion has arisen with regard to the statoblast of Lophopus crystallinus , the body described as such being mani- festly the statoblast of ...
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