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 11
... filled . If we examine the endocyst histologically , we shall find that it possesses a very distinct structure . In Lophopus , which is particularly well adapted for observing the intimate structure of this membrane , we find it ...
... filled . If we examine the endocyst histologically , we shall find that it possesses a very distinct structure . In Lophopus , which is particularly well adapted for observing the intimate structure of this membrane , we find it ...
Página 22
... filled with a clear fluid , in which float numerous particles of very irre- gular form and size . In this fluid may ... fill on restoring it to its natural element . Van Beneden believed that he had detected in Alcyonella apertures ...
... filled with a clear fluid , in which float numerous particles of very irre- gular form and size . In this fluid may ... fill on restoring it to its natural element . Van Beneden believed that he had detected in Alcyonella apertures ...
Página 39
... filled with air . If the whole be now crushed , under the microscope , multitudes of cells will escape , all filled with minute , strongly refracting corpuscles ( fig . 41 , 41 , 41 ' ) ; but any further observation of the progressive ...
... filled with air . If the whole be now crushed , under the microscope , multitudes of cells will escape , all filled with minute , strongly refracting corpuscles ( fig . 41 , 41 , 41 ' ) ; but any further observation of the progressive ...
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