A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 31
... which immediately enters the tubular arms of the lophophore , and then , after
giving off a branch which runs along the root of the lophophore towards the
hæmal side , and which sends in its passage a filament to each tentacle on this
side of ...
... which immediately enters the tubular arms of the lophophore , and then , after
giving off a branch which runs along the root of the lophophore towards the
hæmal side , and which sends in its passage a filament to each tentacle on this
side of ...
Página 48
and communicating with a series of secondary tubes , which pass off from it at
each side like the leaflets of a pinnate leaf from the common petiole . The main
tube , with its lateral pinnæ , thus constitutes an imperfect diaphragm , which
divides ...
and communicating with a series of secondary tubes , which pass off from it at
each side like the leaflets of a pinnate leaf from the common petiole . The main
tube , with its lateral pinnæ , thus constitutes an imperfect diaphragm , which
divides ...
Página 51
Next with the development of a post - abdomen , the intestine acquires a hæmal
flexure ; but instead of the anal aperture remaining on the hæmal side , it is bent
round by the same process as in Spirialis and Limacina , but in the inverse ...
Next with the development of a post - abdomen , the intestine acquires a hæmal
flexure ; but instead of the anal aperture remaining on the hæmal side , it is bent
round by the same process as in Spirialis and Limacina , but in the inverse ...
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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 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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