A Monograph of the Freshwater Polyzoa, Including All the Known Species, Both British and Foreign |
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Página 5
... animaux des polypiers ne soient des étres aussi compliqués dans leur
organisation que les Mollusques Ascidiens.” He then goes on to compare the
walls of the body cavity in Gorgonia, Isis, Alcyonium, &c., to the tunics of an
Ascidian or the ...
... animaux des polypiers ne soient des étres aussi compliqués dans leur
organisation que les Mollusques Ascidiens.” He then goes on to compare the
walls of the body cavity in Gorgonia, Isis, Alcyonium, &c., to the tunics of an
Ascidian or the ...
Página 8
... was formerly known under the names of Polypary and Polypidome, I have
applied the term Canacium.t The coenoecium is composed almost universally of
two perfectly distinct tunics; to the external I have given the name of Ectocyst, {
and to ...
... was formerly known under the names of Polypary and Polypidome, I have
applied the term Canacium.t The coenoecium is composed almost universally of
two perfectly distinct tunics; to the external I have given the name of Ectocyst, {
and to ...
Página 13
... the endocyst is the normal condition of this tunic, but from the delicacy of these
tubes, and the transparency and want of colour of their contents, they escape
detection under ordinary circumstances, and are first revealed only by the
abnormal ...
... the endocyst is the normal condition of this tunic, but from the delicacy of these
tubes, and the transparency and want of colour of their contents, they escape
detection under ordinary circumstances, and are first revealed only by the
abnormal ...
Página 14
George James Allman. Lophopus, also, at first sight, conveys the impression of
being destitute of an ectocyst, and having the place of this tunic supplied by a
peculiar unorganized gelatinoid secretion, in which the colony is enveloped (Pl. II
, ...
George James Allman. Lophopus, also, at first sight, conveys the impression of
being destitute of an ectocyst, and having the place of this tunic supplied by a
peculiar unorganized gelatinoid secretion, in which the colony is enveloped (Pl. II
, ...
Página 27
5, 6, v) were mentioned as entering into the composition of this tunic, and taking a
transverse direction round the cell. These may be designated by the name of
parietal muscles. They may generally be seen very distinctly towards the anterior
...
5, 6, v) were mentioned as entering into the composition of this tunic, and taking a
transverse direction round the cell. These may be designated by the name of
parietal muscles. They may generally be seen very distinctly towards the anterior
...
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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 alimentary canal Allman already anatomy animal appearance attached become Beneden bodies branches branchial British canal cavity cell characters cilia closely coenoecium complete condition connected consists constitutes contained continuous Cristatella crown 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 resemblance retraction retractor 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 Freshwater 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 |
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