A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 11-15 de 27
Página 38
... internal ) extends over the whole surface of the cellular con- tents , but the other is confined to the margin of the lenticular mass which it embraces in the form of a ring ( fig . 39 ) . No manifest structure , beyond a simply ...
... internal ) extends over the whole surface of the cellular con- tents , but the other is confined to the margin of the lenticular mass which it embraces in the form of a ring ( fig . 39 ) . No manifest structure , beyond a simply ...
Página 40
... internal surface of the walls , to which they adhere by means of a peculiar cement in which no trace of structure can be detected . These differ also from the unattached statoblasts in shape , being much broader in proportion to their ...
... internal surface of the walls , to which they adhere by means of a peculiar cement in which no trace of structure can be detected . These differ also from the unattached statoblasts in shape , being much broader in proportion to their ...
Página 44
... Internal tunic . d d d . General sinus system . orifice . f . Cloacal orifice . g . Transverse respiratory bars . h . Longitudinal respiratory bars . i . Branchial sinus . k . Thoracic sinus . 11. Proper membrane of respiratory sac ...
... Internal tunic . d d d . General sinus system . orifice . f . Cloacal orifice . g . Transverse respiratory bars . h . Longitudinal respiratory bars . i . Branchial sinus . k . Thoracic sinus . 11. Proper membrane of respiratory sac ...
Página 46
... internal tunic . The real homology of the Ascidian tentacula is , in fact , to be found in the tentacular mantel - fringe of a lamellibranchiate mollusc . It is true that , in accordance with this view , we can find no homologue in the ...
... internal tunic . The real homology of the Ascidian tentacula is , in fact , to be found in the tentacular mantel - fringe of a lamellibranchiate mollusc . It is true that , in accordance with this view , we can find no homologue in the ...
Página 47
... Internal tunic . d d d . General sinus system . e . Respiratory orifice . f . Cloacal orifice . g . Respiratory bars . i . Gill ( Salpa ) and branchial sinus ( Doliolum ) . m . Languette . n . Mouth . o . Esophagus . p . Stomach . q ...
... Internal tunic . d d d . General sinus system . e . Respiratory orifice . f . Cloacal orifice . g . Respiratory bars . i . Gill ( Salpa ) and branchial sinus ( Doliolum ) . m . Languette . n . Mouth . o . Esophagus . p . Stomach . q ...
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