A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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... and magnified , and I have never omitted to draw the polypide as well as the cœnocium , believing that the latter will by itself convey but a very imperfect idea of the real character of these beautiful little animals .
... and magnified , and I have never omitted to draw the polypide as well as the cœnocium , believing that the latter will by itself convey but a very imperfect idea of the real character of these beautiful little animals .
Página 6
In this work he proposed a new classification of the so - called polypes , dividing the entire group into two great sections - the Anthozoa and the Bryozoa ; the former embraced the true radiate forms , the latter corresponded to the ...
In this work he proposed a new classification of the so - called polypes , dividing the entire group into two great sections - the Anthozoa and the Bryozoa ; the former embraced the true radiate forms , the latter corresponded to the ...
Página 11
During the exsertion of the polypide , the invaginated portion of the endocyst is carried out with the latter , thus undergoing a process of evertion , which , however , in all the fresh - water species , is but partial , a portion of ...
During the exsertion of the polypide , the invaginated portion of the endocyst is carried out with the latter , thus undergoing a process of evertion , which , however , in all the fresh - water species , is but partial , a portion of ...
Página 16
7 , ƒ ) of considerable length leads downwards to the stomach ; it becomes gradually narrower as it approaches the latter , into which it opens by a very distinct conical projection ( Pl . III , fig . 7 , ƒ ' ) .
7 , ƒ ) of considerable length leads downwards to the stomach ; it becomes gradually narrower as it approaches the latter , into which it opens by a very distinct conical projection ( Pl . III , fig . 7 , ƒ ' ) .
Página 22
Between the œsophagus and rectum , but separated from the latter by the whole mass of the generative system , is the nervous ganglion , close to which , and lying between it and the oesophagus , is a peculiar organ in the form of a ...
Between the œsophagus and rectum , but separated from the latter by the whole mass of the generative system , is the nervous ganglion , close to which , and lying between it and the oesophagus , is a peculiar organ in the form of a ...
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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 |
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