A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 9
... of a blood - vascular system , I shall call that region of a Polyzoon on which the
nervous ganglion lies the “ neural , ” and the opposite region , that , namely ,
which corresponds to the part of an Ascidian which contains the heart , the “
hæmal .
... of a blood - vascular system , I shall call that region of a Polyzoon on which the
nervous ganglion lies the “ neural , ” and the opposite region , that , namely ,
which corresponds to the part of an Ascidian which contains the heart , the “
hæmal .
Página 10
Phylactolæmata ( from pulaoow , to guard , and datua , the gullet , in allusion to
the epistome placed at the entrance of the alimentary canal ) corresponds in part
with the Hippocrepia of Gervais . The Hippocrepia of the French zoologist ...
Phylactolæmata ( from pulaoow , to guard , and datua , the gullet , in allusion to
the epistome placed at the entrance of the alimentary canal ) corresponds in part
with the Hippocrepia of Gervais . The Hippocrepia of the French zoologist ...
Página 17
It soon contracts into a long narrow tube , which leads to an oval sac ( 9 )
corresponding to the cardiac cavity of the stomach in the other fresh - water
Polyzoa , and to the gizzard in certain marine species . This sac is much more
distinct from ...
It soon contracts into a long narrow tube , which leads to an oval sac ( 9 )
corresponding to the cardiac cavity of the stomach in the other fresh - water
Polyzoa , and to the gizzard in certain marine species . This sac is much more
distinct from ...
Página 18
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ) , while the ... In Cristatella , the cells of the
internal layer corresponding to the middle layer of the stomach are large , and
filled , in ...
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ) , while the ... In Cristatella , the cells of the
internal layer corresponding to the middle layer of the stomach are large , and
filled , in ...
Página 19
... which corresponds to the side of the rectum , is extended into two long
triangular lobes or arms , so as to cause the ... but a careful examination will
render manifest its departure from the orbicular form , the side corresponding to
the arms of ...
... which corresponds to the side of the rectum , is extended into two long
triangular lobes or arms , so as to cause the ... but a careful examination will
render manifest its departure from the orbicular form , the side corresponding to
the arms of ...
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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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