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 5
... important bearing of this connection on their systematic rank . * Cuvier had already determined a striking difference of structure between the Sertularian Polypes and those of Alcyonium , and a third type of structure , widely different ...
... important bearing of this connection on their systematic rank . * Cuvier had already determined a striking difference of structure between the Sertularian Polypes and those of Alcyonium , and a third type of structure , widely different ...
Página 50
... important change of relations , and which is necessarily connected with the difference in the arrangement of the other , organs in the respective groups . In the Polyzoa , from their constant motions of retraction and exsertion , the ...
... important change of relations , and which is necessarily connected with the difference in the arrangement of the other , organs in the respective groups . In the Polyzoa , from their constant motions of retraction and exsertion , the ...
Página 72
... important papers on the anatomy of the Mollusca , but especially by his association with Mr. Alder in their beautiful Monograph on the Nudibranchiata , ' published an admirable paper on certain species of fresh - water Polyzoa obtained ...
... important papers on the anatomy of the Mollusca , but especially by his association with Mr. Alder in their beautiful Monograph on the Nudibranchiata , ' published an admirable paper on certain species of fresh - water Polyzoa obtained ...
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