A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 21
... orifice , but separated from it by a considerable space . The intestine passes first forwards and towards the neural ... orifices , where it constitutes a dark brown glandular mass composed of distinct cells , which are filled with the ...
... orifice , but separated from it by a considerable space . The intestine passes first forwards and towards the neural ... orifices , where it constitutes a dark brown glandular mass composed of distinct cells , which are filled with the ...
Página 49
... orifice , namely , that through which the tentacular crown is projected and retracted ; but this is equivalent to the respiratory and cloacal orifices of the Tunicata united ; and the point where the rectum opens externally in the ...
... orifice , namely , that through which the tentacular crown is projected and retracted ; but this is equivalent to the respiratory and cloacal orifices of the Tunicata united ; and the point where the rectum opens externally in the ...
Página 104
... orifices , and becomes continuous below , with a prominent keel . Tentacula about forty . ( Free ) Statoblasts ... orifice , suggested the specific name , as this Polyzoon was , at the time of its discovery , the only species known ...
... orifices , and becomes continuous below , with a prominent keel . Tentacula about forty . ( Free ) Statoblasts ... orifice , suggested the specific name , as this Polyzoon was , at the time of its discovery , the only species known ...
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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 longitudinal 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