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 6-10 de 18
Página 21
... epistome thickly ciliated on its oral aspect , but not pro- vided with muscles like the epistome of the ordinary phylactolæmatous Polyzoa . The hepatic layer , which , in other Polyzoa , forms a continuous lining extending over nearly ...
... epistome thickly ciliated on its oral aspect , but not pro- vided with muscles like the epistome of the ordinary phylactolæmatous Polyzoa . The hepatic layer , which , in other Polyzoa , forms a continuous lining extending over nearly ...
Página 22
... epistome in all the fresh - water Polyzoa ; unless Urnatella should prove to be an exception , which is not likely , though we are not yet sufficiently acquainted with the structure of the genus to include it in this generalization . In ...
... epistome in all the fresh - water Polyzoa ; unless Urnatella should prove to be an exception , which is not likely , though we are not yet sufficiently acquainted with the structure of the genus to include it in this generalization . In ...
Página 25
... Epistome . This is a small but very evident fasciculus ( Pl . II , fig . 24 , r ) , occupying the interior of the epistome , and visible through its transparent walls ; it arises from the lophophore within the cavity of the epistome ...
... Epistome . This is a small but very evident fasciculus ( Pl . II , fig . 24 , r ) , occupying the interior of the epistome , and visible through its transparent walls ; it arises from the lophophore within the cavity of the epistome ...
Página 31
... epistome , but I have not succeeded in detecting anything like a nervous collar surrounding the œsophagus at this place . There is no other ganglion than the one just described ; and , unless it be the epistome , and possibly in ...
... epistome , but I have not succeeded in detecting anything like a nervous collar surrounding the œsophagus at this place . There is no other ganglion than the one just described ; and , unless it be the epistome , and possibly in ...
Página 45
... Epistome . n . Mouth . o . Esophagus . p . Stomach . q . Intestine . r . Anus . s . Cavity of tantacular sheath . u . Ganglion . w . Retractor muscle . * In figs . 6-11 , the same letters are used throughout to indicate homologous parts ...
... Epistome . n . Mouth . o . Esophagus . p . Stomach . q . Intestine . r . Anus . s . Cavity of tantacular sheath . u . Ganglion . w . Retractor muscle . * In figs . 6-11 , the same letters are used throughout to indicate homologous parts ...
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