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 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 52
... respiratory sac , shows itself at a very early period in the interior of the embryo , having immediately behind it the first indication of the alimentary canal as a tube of uniform diameter bent into a loop . The walls of this cavity ...
... respiratory sac , shows itself at a very early period in the interior of the embryo , having immediately behind it the first indication of the alimentary canal as a tube of uniform diameter bent into a loop . The walls of this cavity ...
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