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 23
... observed in it . These currents , which extend into the tentacular crown , were long ago observed by Trembley in Lophopus crystallinus ; but this author con- tented himself with simply recording their existence , and made no attempt to ...
... observed in it . These currents , which extend into the tentacular crown , were long ago observed by Trembley in Lophopus crystallinus ; but this author con- tented himself with simply recording their existence , and made no attempt to ...
Página 40
... observed , besides the ordinary statoblasts , another kind which is characterised by some peculiarities . In both these Polyzoa the cells may be observed towards the end of summer loaded with statoblasts which lie loose within them ...
... observed , besides the ordinary statoblasts , another kind which is characterised by some peculiarities . In both these Polyzoa the cells may be observed towards the end of summer loaded with statoblasts which lie loose within them ...
Página 58
... observations on the " Polype à Panache , " he falls far behind these naturalists in accuracy . He observed the statoblasts in the interior of the tubes , and , under the impression that he had recognised similar bodies on the under ...
... observations on the " Polype à Panache , " he falls far behind these naturalists in accuracy . He observed the statoblasts in the interior of the tubes , and , under the impression that he had recognised similar bodies on the under ...
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