A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... relations , are full of interest for the philosophic naturalist . The highly curious modification of the Molluscan type which the Polyzoa present , their singular repetition in this type of the physiognomical features and habits of a ...
... relations , are full of interest for the philosophic naturalist . The highly curious modification of the Molluscan type which the Polyzoa present , their singular repetition in this type of the physiognomical features and habits of a ...
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... relations , is entirely confined to those species which inhabit the fresh water , its anatomical details have a much more extended appli- cation . The Polyzoa constitute an exceedingly natural group , and possess great uniformity of ...
... relations , is entirely confined to those species which inhabit the fresh water , its anatomical details have a much more extended appli- cation . The Polyzoa constitute an exceedingly natural group , and possess great uniformity of ...
Página 2
... relation of the Hydra with the marine polypes was now abundantly apparent , and the important light which its study shed upon the nature of these polypes , has in- vested its discovery with a peculiar interest as marking out a distinct ...
... relation of the Hydra with the marine polypes was now abundantly apparent , and the important light which its study shed upon the nature of these polypes , has in- vested its discovery with a peculiar interest as marking out a distinct ...
Página 5
... relation to the compound Ascidia , and was the first to designate them by a distinct name which no longer assumed their connection with the polypes . The name thus proposed by Thompson for the group whose structure he had so well ...
... relation to the compound Ascidia , and was the first to designate them by a distinct name which no longer assumed their connection with the polypes . The name thus proposed by Thompson for the group whose structure he had so well ...
Página 10
... relations with the species furnished with a crescentic lophophore are of the most intimate kind . Hippocrepianism , therefore , though of great interest as a morphological fact , tending , as will be afterwards shown , to throw much ...
... relations with the species furnished with a crescentic lophophore are of the most intimate kind . Hippocrepianism , therefore , though of great interest as a morphological fact , tending , as will be afterwards shown , to throw much ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
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 Linnæus 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