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 37
... bodies of a very peculiar nature occur at certain seasons , lying loose in the perigastric space . To these bodies , for reasons to be presently mentioned , I propose to give the name of Statoblasts . From the earliest period that the ...
... bodies of a very peculiar nature occur at certain seasons , lying loose in the perigastric space . To these bodies , for reasons to be presently mentioned , I propose to give the name of Statoblasts . From the earliest period that the ...
Página 40
... bodies is similar to that of the others , and I have not succeeded in witnessing the escape from them of the young . In Alcyonella fungosa and Lophopus crystallinus I have also occasionally seen bodies , which differ from the ordinary ...
... bodies is similar to that of the others , and I have not succeeded in witnessing the escape from them of the young . In Alcyonella fungosa and Lophopus crystallinus I have also occasionally seen bodies , which differ from the ordinary ...
Página 67
... bodies from which these little animals proceeded with considerable detail , but his account is in many respects erroneous . He alludes to the annulus with which they are surrounded , but sets this appearance down as the result of an ...
... bodies from which these little animals proceeded with considerable detail , but his account is in many respects erroneous . He alludes to the annulus with which they are surrounded , but sets this appearance down as the result of an ...
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