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 43
... respiratory sac of the Tunicata is the most striking feature in the structure of this group , and I shall therefore first endeavour to point out where the respiratory sac of the Tunicata is represented in the Polyzoa . Now , the ...
... respiratory sac of the Tunicata is the most striking feature in the structure of this group , and I shall therefore first endeavour to point out where the respiratory sac of the Tunicata is represented in the Polyzoa . Now , the ...
Página 44
... respiratory sac of the Ascidian with the tentacular crown of the Polyzoon , some zoologists , among whom must be especially mentioned M. Van Benedent , maintain that the longitudinal bars of the sac correspond to the tentacula of the ...
... respiratory sac of the Ascidian with the tentacular crown of the Polyzoon , some zoologists , among whom must be especially mentioned M. Van Benedent , maintain that the longitudinal bars of the sac correspond to the tentacula of the ...
Página 45
... respiratory sac , to the interior of which the respiratory bars of the Ascidian are adherent , and which is pierced in the intervals of these bars by the " branchial stigmata , " will have its homologue in Fig . 8 . fte Fig . 9 . 6 ..m ...
... respiratory sac , to the interior of which the respiratory bars of the Ascidian are adherent , and which is pierced in the intervals of these bars by the " branchial stigmata , " will have its homologue in Fig . 8 . fte Fig . 9 . 6 ..m ...
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