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 11
... Lophopus , which is particularly well adapted for observing the intimate structure of this membrane , we find it composed of large irregularly shaped cells , widely separated from each other by an intervening substance towards the ...
... Lophopus , which is particularly well adapted for observing the intimate structure of this membrane , we find it composed of large irregularly shaped cells , widely separated from each other by an intervening substance towards the ...
Página 12
... Lophopus , a circular canal , which here passes trans- versely round the endocyst . The presence of this canal is revealed by peculiar , spherical or oval , brilliant corpuscles , which it almost always contains in Lophopus . A portion ...
... Lophopus , a circular canal , which here passes trans- versely round the endocyst . The presence of this canal is revealed by peculiar , spherical or oval , brilliant corpuscles , which it almost always contains in Lophopus . A portion ...
Página 13
... Lophopus , though most probably only abnormal , must be mentioned here . In specimens of this Polyzoon which had been kept for a few days , and occasionally in some just captured , multitudes of minute oval brilliant corpuscles were ...
... Lophopus , though most probably only abnormal , must be mentioned here . In specimens of this Polyzoon which had been kept for a few days , and occasionally in some just captured , multitudes of minute oval brilliant corpuscles were ...
Página 14
Including All the Known Species, Both British and Foreign George James Allman. Lophopus , also , at first sight , conveys the impression of being destitute of an ectocyst , and having the place of this tunic supplied by a peculiar ...
Including All the Known Species, Both British and Foreign George James Allman. Lophopus , also , at first sight , conveys the impression of being destitute of an ectocyst , and having the place of this tunic supplied by a peculiar ...
Página 15
... Lophopus would seem to be quite deprived of them , the cells in these genera all opening into one another . The ectocyst of the fresh - water Polyzoa appears in every case to be absolutely structure- less . The fact of cellulose being a ...
... Lophopus would seem to be quite deprived of them , the cells in these genera all opening into one another . The ectocyst of the fresh - water Polyzoa appears in every case to be absolutely structure- less . The fact of cellulose being a ...
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