A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 37
In all the fresh - water phylactolæmatous Polyzoa , bodies of a very peculiar
nature occur at certain seasons , lying loose in ... Their form is not exactly the
same in the different species , but they may be generally described as lenticular
bodies ...
In all the fresh - water phylactolæmatous Polyzoa , bodies of a very peculiar
nature occur at certain seasons , lying loose in ... Their form is not exactly the
same in the different species , but they may be generally described as lenticular
bodies ...
Página 40
After the decay of the cænæcium many of these attached statoblasts may be
seen adherent to the stone or other body ... I am unable to state whether the
origin and destination of the last - described bodies is similar to that of the others ,
and I ...
After the decay of the cænæcium many of these attached statoblasts may be
seen adherent to the stone or other body ... I am unable to state whether the
origin and destination of the last - described bodies is similar to that of the others ,
and I ...
Página 90
A. Benedeni occurs in spongy masses attached to twigs , and other fixed bodies ,
and resembling A. fungosa in their general appearance . They would seem ,
however , never to attain to so large a size as the latter , the largest specimens I ...
A. Benedeni occurs in spongy masses attached to twigs , and other fixed bodies ,
and resembling A. fungosa in their general appearance . They would seem ,
however , never to attain to so large a size as the latter , the largest specimens I ...
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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 canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British 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 Hist 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 similar 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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