A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 5
Among the many important papers contained in this publication was one “ On
Polyzoa , a new animal discovered as an inhabitant of some Zoophytes . ”
Thompson had examined the animals of Bowerbankia imbricata , Valkeria
cuscuta , V.
Among the many important papers contained in this publication was one “ On
Polyzoa , a new animal discovered as an inhabitant of some Zoophytes . ”
Thompson had examined the animals of Bowerbankia imbricata , Valkeria
cuscuta , V.
Página 7
Further , let us imagine the digestive tube thus constituted to be suspended in a
fluid contained in a membranous sac with two openings , one for the mouth and
the other for the vent ; the tentacula alone being external to the sac . Let us still ...
Further , let us imagine the digestive tube thus constituted to be suspended in a
fluid contained in a membranous sac with two openings , one for the mouth and
the other for the vent ; the tentacula alone being external to the sac . Let us still ...
Página 12
In Paludicella , whose transparent ectocyst admits of a distinct view of all the
contained parts , the fibres are collected into numerous transverse bands ( Pl . X ,
figs . 3 , 4 , v ) , which we may trace throughout the whole extent of the cell . 1 1 1
1 ...
In Paludicella , whose transparent ectocyst admits of a distinct view of all the
contained parts , the fibres are collected into numerous transverse bands ( Pl . X ,
figs . 3 , 4 , v ) , which we may trace throughout the whole extent of the cell . 1 1 1
1 ...
Página 13
They were not scattered at random through this membrane , but were contained
in the interior of a system of tubes which formed a network in the substance of the
endocyst ( Pl . II , fig . 13 ) . They are about the oth of an inch in the longer ...
They were not scattered at random through this membrane , but were contained
in the interior of a system of tubes which formed a network in the substance of the
endocyst ( Pl . II , fig . 13 ) . They are about the oth of an inch in the longer ...
Página 22
That the fluid thus contained in the perigastric space , and thence admitted into
the tentacula , consists mainly of water which had obtained entrance from without
, there can , I think , be little doubt , and yet I have in vain sought for any opening
...
That the fluid thus contained in the perigastric space , and thence admitted into
the tentacula , consists mainly of water which had obtained entrance from without
, there can , I think , be little doubt , and yet I have in vain sought for any opening
...
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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 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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