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 1-5 de 15
Página 7
... ganglion situated on one side of the oesophagus . Let us now suppose this canal to be bent back upon itself towards the side of the ganglion so as to approximate the termination to the origin . Further , let us imagine the digestive ...
... ganglion situated on one side of the oesophagus . Let us now suppose this canal to be bent back upon itself towards the side of the ganglion so as to approximate the termination to the origin . Further , let us imagine the digestive ...
Página 8
... ganglion , muscles , generative organs , circumambient fluid , and investing sacs , repeating itself by gemmation , and thus producing one or more precisely similar systems holding a definite position relatively to one another , while ...
... ganglion , muscles , generative organs , circumambient fluid , and investing sacs , repeating itself by gemmation , and thus producing one or more precisely similar systems holding a definite position relatively to one another , while ...
Página 9
... ganglion lies the " neural , " and the opposite region , that , namely , which corresponds to the part of an Ascidian which contains the heart , the " hæmal . " Tabular view of the Orders and Sub - orders of Polyzoa . The reader will be ...
... ganglion lies the " neural , " and the opposite region , that , namely , which corresponds to the part of an Ascidian which contains the heart , the " hæmal . " Tabular view of the Orders and Sub - orders of Polyzoa . The reader will be ...
Página 20
... Ganglion . m . Generative organ . n . Retractor muscle . o . Lophophore . The tentacula are connected to one another at their base by a membrane which adheres to their back , extending forwards for about one third of their length , and ...
... Ganglion . m . Generative organ . n . Retractor muscle . o . Lophophore . The tentacula are connected to one another at their base by a membrane which adheres to their back , extending forwards for about one third of their length , and ...
Página 22
... ganglion , close to which , and lying between it and the oesophagus , is a peculiar organ in the form of a minute tubular cavity clothed with actively vibrating cilia . I was unable to follow this organ through its whole extent , or ...
... ganglion , close to which , and lying between it and the oesophagus , is a peculiar organ in the form of a minute tubular cavity clothed with actively vibrating cilia . I was unable to follow this organ through its whole extent , or ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 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 - 2009 |
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