A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Including All the Known Species, Both British and Foreign George James Allman.
PREFACE . The following work contains the result of many years ' careful study of
the fresh - water representatives of a group of animals which , in all their ...
Including All the Known Species, Both British and Foreign George James Allman.
PREFACE . The following work contains the result of many years ' careful study of
the fresh - water representatives of a group of animals which , in all their ...
Página 70
Including All the Known Species, Both British and Foreign George James Allman.
repens . * In this paper At the meeting of the British Association for the
Advancement of Science , held at Cork , in the same year , I read a paper on
Plumatella In ...
Including All the Known Species, Both British and Foreign George James Allman.
repens . * In this paper At the meeting of the British Association for the
Advancement of Science , held at Cork , in the same year , I read a paper on
Plumatella In ...
Página 110
Including All the Known Species, Both British and Foreign George James Allman
... of Göttingen , and which differed from all the then known fresh - water species
in having the tentacula disposed in a circle instead of forming a crescent .
Including All the Known Species, Both British and Foreign George James Allman
... of Göttingen , and which differed from all the then known fresh - water species
in having the tentacula disposed in a circle instead of forming a crescent .
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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