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 60
... Natural History , ' published in 1779.§ It is at once distinguished from all previously described fresh- water Polyzoa by the tentacula being disposed in a circle , instead of presenting the form of a crescent , by which the others are ...
... Natural History , ' published in 1779.§ It is at once distinguished from all previously described fresh- water Polyzoa by the tentacula being disposed in a circle , instead of presenting the form of a crescent , by which the others are ...
Página 61
... Natural History Society of Copenhagen , that the fresh - water sponge con- sisted only of the cells of these Polyzoa after having been abandoned by the polypides ; § an opinion which could only have arisen from some very confused ...
... Natural History Society of Copenhagen , that the fresh - water sponge con- sisted only of the cells of these Polyzoa after having been abandoned by the polypides ; § an opinion which could only have arisen from some very confused ...
Página 71
... Natural History of the fresh - water Polyzoa . ' * This memoir is occupied with the anatomy of the genera Paludicella , Fredericella , Alcyonella , and Lophopus , and accompanied by numerous well- executed figures . It contains ...
... Natural History of the fresh - water Polyzoa . ' * This memoir is occupied with the anatomy of the genera Paludicella , Fredericella , Alcyonella , and Lophopus , and accompanied by numerous well- executed figures . It contains ...
Página 72
... Natural History of the genus Alcyonella . ' This memoir contained a historical introduction to the subject , recorded the addition to the British Fauna of the A. flabellum of Van Beneden , and gave a detailed account of the anatomy of A ...
... Natural History of the genus Alcyonella . ' This memoir contained a historical introduction to the subject , recorded the addition to the British Fauna of the A. flabellum of Van Beneden , and gave a detailed account of the anatomy of A ...
Página 73
... Natural Sciences of Phila- delphia . In these the author describes some new species of Plumatella , and two new genera ( Pectinatella , Leidy , and Urnatella , Leidy ) of fresh - water Polyzoa . In 1854 , Leidy presented to the Academy ...
... Natural Sciences of Phila- delphia . In these the author describes some new species of Plumatella , and two new genera ( Pectinatella , Leidy , and Urnatella , Leidy ) of fresh - water Polyzoa . In 1854 , Leidy presented to the Academy ...
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