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 44
... 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 series of communicating channels ...
... 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 series of communicating channels ...
Página 46
... longitudinal will thus be changed to 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 ...
... longitudinal will thus be changed to 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 ...
Página 47
... longitudinal bars actually disappear . In Salpa , both longitudinal and transverse bars have disappeared , and the gill consists merely of a tubular rod passing obliquely across the thoracic chamber , and furnished with transverse bands ...
... longitudinal bars actually disappear . In Salpa , both longitudinal and transverse bars have disappeared , and the gill consists merely of a tubular rod passing obliquely across the thoracic chamber , and furnished with transverse bands ...
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 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 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