A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 6-10 de 32
Página 13
... connects the fundus of the stomach with the walls of the cells . In the endocyst alone , however , do they appear to be contained in distinct canals . In Cristatella , where the endocyst constitutes the whole of the cœnocium , it ...
... connects the fundus of the stomach with the walls of the cells . In the endocyst alone , however , do they appear to be contained in distinct canals . In Cristatella , where the endocyst constitutes the whole of the cœnocium , it ...
Página 14
... connected to one another by a delicate membrane does not in the least invalidate the view here taken , and the circumstance of their being detached from the sides of the cell in these Polyzoa will account for the different mode in which ...
... connected to one another by a delicate membrane does not in the least invalidate the view here taken , and the circumstance of their being detached from the sides of the cell in these Polyzoa will account for the different mode in which ...
Página 16
... connection with the organs of digestion , its relation to the digestive system is perhaps very remote . It may possibly be more correctly viewed as connected with sensation . Its homological import will be afterwards considered . From ...
... connection with the organs of digestion , its relation to the digestive system is perhaps very remote . It may possibly be more correctly viewed as connected with sensation . Its homological import will be afterwards considered . From ...
Página 20
... 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 constituting a cup . This membrane passes uninterruptedly from the extremity of one arm of ...
... 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 constituting a cup . This membrane passes uninterruptedly from the extremity of one arm of ...
Página 23
... connects itself with the digestive system . It is , moreover , the only representative in these animals of a sanguiferous circulation , for in the Polyzoa there is certainly no trace of a heart , nor can anything referable to a true ...
... connects itself with the digestive system . It is , moreover , the only representative in these animals of a sanguiferous circulation , for in the Polyzoa there is certainly no trace of a heart , nor can anything referable to a true ...
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