A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 16
Its margin is slightly elevated , and is continuous on the neural side , with a
hollow valve - like organ ( e ) of very peculiar formation ... On its true function I am
unable to throw any light ; though it is here described in connection with the
organs of ...
Its margin is slightly elevated , and is continuous on the neural side , with a
hollow valve - like organ ( e ) of very peculiar formation ... On its true function I am
unable to throw any light ; though it is here described in connection with the
organs of ...
Página 42
much more highly differentiated structure , in which the organs of digestion
especially hold a dominant position , and which we may regard as sexual or non
- sexual , according to the view we take of the relation between it and the testis ,
as will ...
much more highly differentiated structure , in which the organs of digestion
especially hold a dominant position , and which we may regard as sexual or non
- sexual , according to the view we take of the relation between it and the testis ,
as will ...
Página 46
Now for the determination of the homological import of this somewhat enigmatical
organ , the key is at once afforded by the ... The epistome is plainly homologous
with the tonguelike organs , the “ languets ” of Milne - Edwards , which are ...
Now for the determination of the homological import of this somewhat enigmatical
organ , the key is at once afforded by the ... The epistome is plainly homologous
with the tonguelike organs , the “ languets ” of Milne - Edwards , which are ...
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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 Ascidian attached become Beneden bodies branches branchial British canal cavity cell characters 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 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 | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
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