A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 8
... names of Polypary and Polypidome , I have applied the term Cćnćcium.t The
cćnćcium is composed almost universally of two perfectly distinct tunics ; to the
external I have given the name of Ectocyst , I and to the internal that of Endocyst ...
... names of Polypary and Polypidome , I have applied the term Cćnćcium.t The
cćnćcium is composed almost universally of two perfectly distinct tunics ; to the
external I have given the name of Ectocyst , I and to the internal that of Endocyst ...
Página 11
The cćnćcium , in every case , except in Cristatella , is composed of two distinct
membranes , which must be carefully distinguished from one another — an
internal , the endocyst , which is always soft , transparent , and contractile ; and
an ...
The cćnćcium , in every case , except in Cristatella , is composed of two distinct
membranes , which must be carefully distinguished from one another — an
internal , the endocyst , which is always soft , transparent , and contractile ; and
an ...
Página 17
Internally is a yellowish - brown layer ( Pl . III , fig . 7 k ) , which is thrown into large
longitudinal rugć . These rugć become less decided towards the fundus of the
stomach , and in Paludicella they are entirely absent . This internal layer is ...
Internally is a yellowish - brown layer ( Pl . III , fig . 7 k ) , which is thrown into large
longitudinal rugć . These rugć become less decided towards the fundus of the
stomach , and in Paludicella they are entirely absent . This internal layer is ...
Página 18
The fundus of the stomach appears to differ from the rest of the alimentary canal
in structure and function ; the well - defined longitudinal rugć and deep brown
colour of the internal layer of the stomach nearly disappear in it , and , during the
...
The fundus of the stomach appears to differ from the rest of the alimentary canal
in structure and function ; the well - defined longitudinal rugć and deep brown
colour of the internal layer of the stomach nearly disappear in it , and , during the
...
Página 20
The internal layer is a delicate transparent membrane , in which I could detect no
trace of approximated at their extremities , and thus , instead of constituting an
open crescent , they form a ring enclosing a space which embraces within it the ...
The internal layer is a delicate transparent membrane , in which I could detect no
trace of approximated at their extremities , and thus , instead of constituting an
open crescent , they form a ring enclosing a space which embraces within it 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 ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cćnćcium 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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