A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 7
... 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 suppose
the alimentary tube , by means of a system of muscles , to admit of being
retracted or ...
... 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 suppose
the alimentary tube , by means of a system of muscles , to admit of being
retracted or ...
Página 8
The cells are the little chambers of which the cænæcium is made up , and in each
of which a polypide is lodged . The part of the cell through which the polypide
admits of protrusion and retraction is the orifice of the cell . * Πολυπους , είδος .
The cells are the little chambers of which the cænæcium is made up , and in each
of which a polypide is lodged . The part of the cell through which the polypide
admits of protrusion and retraction is the orifice of the cell . * Πολυπους , είδος .
Página 9
... by having placed before him here the following scheme of the orders and sub -
orders under which all the species of Polyzoa , both marine and fresh - water ,
admit of being arranged : 6 English Cyclopædia , ' 1855 , article “ Mollusca ; ” and
...
... by having placed before him here the following scheme of the orders and sub -
orders under which all the species of Polyzoa , both marine and fresh - water ,
admit of being arranged : 6 English Cyclopædia , ' 1855 , article “ Mollusca ; ” and
...
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 .
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 .
Página 14
Roy . de Bruxelles , ' 1818. Compl . t . xvi . + Van Beneden , Recherches sur les
Bryozoaires fluviatiles de Belgique . Mém . de l'Acad . Roy . le Belg . , ' 1818 .
itself is imperfect , admitting of a communication through its 14 DERMAL
SYSTEM .
Roy . de Bruxelles , ' 1818. Compl . t . xvi . + Van Beneden , Recherches sur les
Bryozoaires fluviatiles de Belgique . Mém . de l'Acad . Roy . le Belg . , ' 1818 .
itself is imperfect , admitting of a communication through its 14 DERMAL
SYSTEM .
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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 alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding 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 important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs 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 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 | Biblioteca Nacional de Austria |
| Digitalizado | 12 Mayo 2011 |
| Largo | 119 páginas |
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