A Monograph of the Fresh-water Polyzoa, Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 10
... Gervais . The Hippocrepia of the French zoologist , however , constitute in reality an artificial group . Being essentially characterised by the possession of a crescentic lophophore , they necessarily exclude not only Pedicellina , but ...
... Gervais . The Hippocrepia of the French zoologist , however , constitute in reality an artificial group . Being essentially characterised by the possession of a crescentic lophophore , they necessarily exclude not only Pedicellina , but ...
Página 60
... Gervais at Plessis - Piquet , near Paris , and for which this naturalist found it necessary to constitute a new genus under the name of Fredericella . Blumenbach characterises it in his manual as " Tubularia crista infundibuliformi , ad ...
... Gervais at Plessis - Piquet , near Paris , and for which this naturalist found it necessary to constitute a new genus under the name of Fredericella . Blumenbach characterises it in his manual as " Tubularia crista infundibuliformi , ad ...
Página 65
... Gervais , who subsequently found it at Plessis - Piquet , near Paris , saw the necessity of characterising it as the type of a new genus , to which he gave the name of Paludicella.¶ In 1837 , Mr. William Thompson , of Belfast ...
... Gervais , who subsequently found it at Plessis - Piquet , near Paris , saw the necessity of characterising it as the type of a new genus , to which he gave the name of Paludicella.¶ In 1837 , Mr. William Thompson , of Belfast ...
Página 66
... Gervais gives an analysis of the memoir of M. Dumortier , and contends against the right of the " Polype à Panache " to assume the position of a distinct genus , insisting on its being nothing more than a Plumatella . In the year 1837 ...
... Gervais gives an analysis of the memoir of M. Dumortier , and contends against the right of the " Polype à Panache " to assume the position of a distinct genus , insisting on its being nothing more than a Plumatella . In the year 1837 ...
Página 67
... Gervais published another memoir on the fresh - water Polyzoa . * In this memoir he constitutes a distinct genus , under the name of Paludicella , for Ehrenberg's Alcyonella articulata ; and he further makes an important step in the ...
... Gervais published another memoir on the fresh - water Polyzoa . * In this memoir he constitutes a distinct genus , under the name of Paludicella , for Ehrenberg's Alcyonella articulata ; and he further makes an important step in the ...
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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 cœnocium 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 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