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 44
... transverse bars open into two great longitudinal canals , the " branchial " and " thoracic sinuses " of Milne - Edwards , one placed upon the neural , and the other upon the hæmal side of the sac , that they constitute , in fact , a ...
... transverse bars open into two great longitudinal canals , the " branchial " and " thoracic sinuses " of Milne - Edwards , one placed upon the neural , and the other upon the hæmal side of the sac , that they constitute , in fact , a ...
Página 46
... transverse , while the transverse bars will become longitudinal , and the branchial sinus and its bars will then have the same direction as the exserted lophophore and tentacula of Plumatella ; while it is interesting to observe , that ...
... transverse , while the transverse bars will become longitudinal , and the branchial sinus and its bars will then have the same direction as the exserted lophophore and tentacula of Plumatella ; while it is interesting to observe , that ...
Página 47
... transverse over the longitudinal bars of the branchial apparatus in the Tunicata is sufficiently manifest ; in most cases , they are larger and more evident than the longitudinal ; in Pyrosoma , they are not only the better developed ...
... transverse over the longitudinal bars of the branchial apparatus in the Tunicata is sufficiently manifest ; in most cases , they are larger and more evident than the longitudinal ; in Pyrosoma , they are not only the better developed ...
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