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 22
... detected , unless we admit the by no means improbable supposition that it enters partly into the composition of the calyx - like cup which surrounds the base of the tentacles in Pedicellina , the only marine genus in which an epistome ...
... detected , unless we admit the by no means improbable supposition that it enters partly into the composition of the calyx - like cup which surrounds the base of the tentacles in Pedicellina , the only marine genus in which an epistome ...
Página 23
... detection , and yet capable of permitting a passage of fluid ; some facts already recorded ( page 13 ) , would seem to point ... detected . The perigastric circulation , there- fore , unites in itself the triple function of a chyliferous ...
... detection , and yet capable of permitting a passage of fluid ; some facts already recorded ( page 13 ) , would seem to point ... detected . The perigastric circulation , there- fore , unites in itself the triple function of a chyliferous ...
Página 117
... detecting the polypides , he felt himself justified in viewing the production in question as a true Polyzoon . At a ... detected the polypides , and had also in other respects succeeded in making a more satisfactory examination of the ...
... detecting the polypides , he felt himself justified in viewing the production in question as a true Polyzoon . At a ... detected the polypides , and had also in other respects succeeded in making a more satisfactory examination of the ...
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