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 33
... surface of the stomach , near the commencement of the intestine , and by the other attached to the walls of the cell , and apparently also in connection at this place with the ovary , is a cylindrical flexible chord ( anterior funiculus ) ...
... surface of the stomach , near the commencement of the intestine , and by the other attached to the walls of the cell , and apparently also in connection at this place with the ovary , is a cylindrical flexible chord ( anterior funiculus ) ...
Página 89
... surface of different fixed objects , as stones , pieces of wood , fresh - water shells , & c . The masses frequently acquire a considerable size , weighing upwards of a pound . They are often irregularly lobed , and when they grow upon ...
... surface of different fixed objects , as stones , pieces of wood , fresh - water shells , & c . The masses frequently acquire a considerable size , weighing upwards of a pound . They are often irregularly lobed , and when they grow upon ...
Página 99
... surface of attachment , soon become free , and a more or less entangled bushy mass will be produced . These two variations are quite accidental , and altogether the result of external agencies influencing the growth of the species ...
... surface of attachment , soon become free , and a more or less entangled bushy mass will be produced . These two variations are quite accidental , and altogether the result of external agencies influencing the growth of the species ...
Otras ediciones - Ver todas
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