A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
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... magnified . 3. Plumatella fruticosa , attached to the petiole of Sagittaria . Natural size . 4. Portion of the same magnified . 5. Statoblast of P. fruticosa . Wim West imp PLATE VII . PLUMATELLA CORALLOIDES and PLUMATELLA PLATE VI. ...
... magnified . 3. Plumatella fruticosa , attached to the petiole of Sagittaria . Natural size . 4. Portion of the same magnified . 5. Statoblast of P. fruticosa . Wim West imp PLATE VII . PLUMATELLA CORALLOIDES and PLUMATELLA PLATE VI. ...
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... magnified . 3 . 4 . 5 . 6 . 7 , 8 . 9 . 10 . Base of a branch of P. coralloides , with an imperfect septum . Statoblast of P. coralloides . Plumatella emarginata , creeping over the surface of a submerged stone . Natural size . Some of ...
... magnified . 3 . 4 . 5 . 6 . 7 , 8 . 9 . 10 . Base of a branch of P. coralloides , with an imperfect septum . Statoblast of P. coralloides . Plumatella emarginata , creeping over the surface of a submerged stone . Natural size . Some of ...
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... magnified . 3. End of a branch , with the polypide retracted , still further magnified , to show the trans- parent furrow in the ectocyst , with its notch - like extremity . 4. Portion of the calyx of the same , much magnified , to show ...
... magnified . 3. End of a branch , with the polypide retracted , still further magnified , to show the trans- parent furrow in the ectocyst , with its notch - like extremity . 4. Portion of the calyx of the same , much magnified , to show ...
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