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
... Pedicellina , but even Fredericella , whose relations with the species furnished with a crescentic lophophore are of the most intimate kind . Hippocrepianism , therefore , though of great interest as a morphological fact , tending , as ...
... Pedicellina , but even Fredericella , whose relations with the species furnished with a crescentic lophophore are of the most intimate kind . Hippocrepianism , therefore , though of great interest as a morphological fact , tending , as ...
Página 19
... Pedicellina , which presents a condition of the lophophore altogether unique and exceptional , * and some other marine genera in which a slight tendency to assume a bilateral form may be observed , but which never possess an epistome ...
... Pedicellina , which presents a condition of the lophophore altogether unique and exceptional , * and some other marine genera in which a slight tendency to assume a bilateral form may be observed , but which never possess an epistome ...
Página 22
... Pedicellina , the only marine genus in which an epistome is also represented . * The perigastric space , and interior of the tentacula and lophophore , all freely communicate with one another , and are filled with a clear fluid , in ...
... Pedicellina , the only marine genus in which an epistome is also represented . * The perigastric space , and interior of the tentacula and lophophore , all freely communicate with one another , and are filled with a clear fluid , in ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
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