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 12
... fibres ( Pl . II , fig . 10 ) are also developed in the endocyst . These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres over the whole extent ...
... fibres ( Pl . II , fig . 10 ) are also developed in the endocyst . These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres over the whole extent ...
Página 16
... fibres ( n ) , which are visible through the transparent walls , and will be afterwards more particularly described , while the depression is probably the result of an antagonistic elasticity . I propose to designate this organ by the ...
... fibres ( n ) , which are visible through the transparent walls , and will be afterwards more particularly described , while the depression is probably the result of an antagonistic elasticity . I propose to designate this organ by the ...
Página 17
... fibres ; they are particularly evident in Alcyonella and Plumatella towards the fundus of the stomach ; they become less distinct as we ascend toward the oesophagus , and totally 3 DIGESTIVE SYSTEM . 17 being dilated or contracted, or ...
... fibres ; they are particularly evident in Alcyonella and Plumatella towards the fundus of the stomach ; they become less distinct as we ascend toward the oesophagus , and totally 3 DIGESTIVE SYSTEM . 17 being dilated or contracted, or ...
Página 20
... fibres surrounding the margin of the cup . e . Mouth . f . Esophagus . g . Stomach . h . Rectum . i . Anus . k . Epistome . 1. Ganglion . m . Generative organ . n . Retractor muscle . o . Lophophore . The tentacula are connected to one ...
... fibres surrounding the margin of the cup . e . Mouth . f . Esophagus . g . Stomach . h . Rectum . i . Anus . k . Epistome . 1. Ganglion . m . Generative organ . n . Retractor muscle . o . Lophophore . The tentacula are connected to one ...
Página 21
... fibres , which may be seen extend- ing from the upper part of the pharynx to the base of the cell . The sphincter would seem to represent a condensed band of the parietal muscles of other Polyzoa , or it is probably homologous with the ...
... fibres , which may be seen extend- ing from the upper part of the pharynx to the base of the cell . The sphincter would seem to represent a condensed band of the parietal muscles of other Polyzoa , or it is probably homologous with 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