A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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THE following work contains the result of many years ' careful study of the fresh - water representatives of a group of animals which , in all their relations , are full of interest for the philosophic naturalist .
THE following work contains the result of many years ' careful study of the fresh - water representatives of a group of animals which , in all their relations , are full of interest for the philosophic naturalist .
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While the present work , in its purely zoographical relations , is entirely confined to those species which inhabit the fresh water , its anatomical details have a much more extended application . The Polyzoa constitute an exceedingly ...
While the present work , in its purely zoographical relations , is entirely confined to those species which inhabit the fresh water , its anatomical details have a much more extended application . The Polyzoa constitute an exceedingly ...
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The close 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 invested its discovery with a peculiar interest as marking out a ...
The close 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 invested its discovery with a peculiar interest as marking out a ...
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He also perceived their close 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 ...
He also perceived their close 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 ...
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... by the possession of a crescentic lophophore , they necessarily exclude not only Pedicellina , but even Fredericella , whose relations with the species furnished with a crescentic lophophore are of the most intimate kind .
... by the possession of a crescentic lophophore , they necessarily exclude not only Pedicellina , but even Fredericella , whose relations with the species furnished with a crescentic lophophore are of the most intimate kind .
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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
action adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives Hancock Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organ orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Volumen18 de ¬The Ray Society |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |