A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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... believing that the latter will by itself convey but a very imperfect idea of the real
character of these beautiful little animals . With regard to the few species which I
have not had an opportunity of personally examining , I have availed myself of ...
... believing that the latter will by itself convey but a very imperfect idea of the real
character of these beautiful little animals . With regard to the few species which I
have not had an opportunity of personally examining , I have availed myself of ...
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 Polyzoa of
...
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 Polyzoa of
...
Página 9
... the Molluscan form under the conception of an ideal archetype , and finding the
heart occupying one side , and the great nervous centres placed upon the
opposite , he gives to the former region the name of “ hæmal , ” and to the latter
that of ...
... the Molluscan form under the conception of an ideal archetype , and finding the
heart occupying one side , and the great nervous centres placed upon the
opposite , he gives to the former region the name of “ hæmal , ” and to the latter
that of ...
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 the endocyst ,
as we ...
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 the endocyst ,
as we ...
Página 16
7 , f ) 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 , f ' ) . To the esophagus immediately
succeeds the ...
7 , f ) 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 , f ' ) . To the esophagus immediately
succeeds the ...
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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
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium 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 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 represented 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, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| 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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