A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 8
... Epistome is a peculiar valve - like organ which arches over the mouth in most of the fresh - water genera . The Perigastric ** space is the space included between the walls of the endocyst and the alimentary canal . The terms now ...
... Epistome is a peculiar valve - like organ which arches over the mouth in most of the fresh - water genera . The Perigastric ** space is the space included between the walls of the endocyst and the alimentary canal . The terms now ...
Página 10
... epistome . Arms of lophophore free or obsolete . or } LOPHOPEA ( fresh - water ) . PHYLACTOLÆMATA . * Arms of lophophore united at the extremities . } PEDICELLINEA ‡ ( marine ) . URNATELLEA ( fresh - water ) . Lophophore orbicular , or ...
... epistome . Arms of lophophore free or obsolete . or } LOPHOPEA ( fresh - water ) . PHYLACTOLÆMATA . * Arms of lophophore united at the extremities . } PEDICELLINEA ‡ ( marine ) . URNATELLEA ( fresh - water ) . Lophophore orbicular , or ...
Página 16
... epistome . On its true function I am unable to throw any light ; though it is here described in connection with the organs of digestion , its relation to the digestive system is perhaps very remote . It may possibly be more correctly ...
... epistome . On its true function I am unable to throw any light ; though it is here described in connection with the organs of digestion , its relation to the digestive system is perhaps very remote . It may possibly be more correctly ...
Página 19
... epistome . Paludicella is the only fresh - water genus , if we except Urnatella , not yet sufficiently examined , in which not the slightest trace of bilaterality can be detected ( Pl . X , fig . 5 ) . With the exception of Pedicellina ...
... epistome . Paludicella is the only fresh - water genus , if we except Urnatella , not yet sufficiently examined , in which not the slightest trace of bilaterality can be detected ( Pl . X , fig . 5 ) . With the exception of Pedicellina ...
Página 20
... Epistome . 7. 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 ...
... Epistome . 7. 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 ...
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