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 4
... intestinal canal of the animal . In September of the following year MM . Auduin and Milne - Edwards presented to the Royal Academy of Sciences , in Paris , a summary of their researches on the invertebrate animals of the Chausey Isles ...
... intestinal canal of the animal . In September of the following year MM . Auduin and Milne - Edwards presented to the Royal Academy of Sciences , in Paris , a summary of their researches on the invertebrate animals of the Chausey Isles ...
Página 7
... intestine , to be furnished at its origin with long ciliated tentacula , and to have a single nervous ganglion situated on one side of the œsophagus . Let us now suppose this canal to be bent back upon itself towards the side of the ...
... intestine , to be furnished at its origin with long ciliated tentacula , and to have a single nervous ganglion situated on one side of the œsophagus . Let us now suppose this canal to be bent back upon itself towards the side of the ...
Página 16
... intestine ( h ) ; it springs from the pyloric cavity , with which it communicates by a very defined orifice ( Pl . III , fig . 7 , l ' ) . The structure of the pylorus is such as to admit of the orifice * ' Lehrbuch der Vergleichenden ...
... intestine ( h ) ; it springs from the pyloric cavity , with which it communicates by a very defined orifice ( Pl . III , fig . 7 , l ' ) . The structure of the pylorus is such as to admit of the orifice * ' Lehrbuch der Vergleichenden ...
Página 17
... intestine is very wide at its origin , and passes up along the side of the cardiac cavity and oesophagus , rapidly diminishing in diameter till it terminates in a distinct anus by perforating the tentacular sheath just below the mouth ...
... intestine is very wide at its origin , and passes up along the side of the cardiac cavity and oesophagus , rapidly diminishing in diameter till it terminates in a distinct anus by perforating the tentacular sheath just below the mouth ...
Página 18
... intestine closely resembles that of the oesophagus ; vibratile cilia however , are altogether absent . In Cristatella , the cells of the internal layer corresponding to the middle layer of the stomach are large , and filled , in the ...
... intestine closely resembles that of the oesophagus ; vibratile cilia however , are altogether absent . In Cristatella , the cells of the internal layer corresponding to the middle layer of the stomach are large , and filled , in the ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi 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 oesophagus 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