A Monograph of the Freshwater Polyzoa, Including All the Known Species, Both British and Foreign |
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Both these genera, each consisting of a single species, are confined to the
United States of America, where they were recently discovered by Dr. Leidy, who
has given us a description of them, which, however, is purely zoographical.
Both these genera, each consisting of a single species, are confined to the
United States of America, where they were recently discovered by Dr. Leidy, who
has given us a description of them, which, however, is purely zoographical.
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It is possible that some of the forms here described as distinct species may
afterwards prove to be only varieties of one and the same specific group; but as
they all possess a real existence, and are truly distinct forms, it was thought
necessary, ...
It is possible that some of the forms here described as distinct species may
afterwards prove to be only varieties of one and the same specific group; but as
they all possess a real existence, and are truly distinct forms, it was thought
necessary, ...
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... the polypes, were at last, by the nearly simultaneous investigations of several
naturalists, separated as a distinct group, and described by Thompson under the
name of Polyzoa, and shortly after indicated by Ehrenberg under that of Bryozoa.
... the polypes, were at last, by the nearly simultaneous investigations of several
naturalists, separated as a distinct group, and described by Thompson under the
name of Polyzoa, and shortly after indicated by Ehrenberg under that of Bryozoa.
Página 2
Not so, however, thought Jean André Peysonelle, physician at Marseilles; he
soon saw that the flowers described by Marsigli were nothing more than the
beautiful starry polypes of the coral, and he maintained that these were true
animals of ...
Not so, however, thought Jean André Peysonelle, physician at Marseilles; he
soon saw that the flowers described by Marsigli were nothing more than the
beautiful starry polypes of the coral, and he maintained that these were true
animals of ...
Página 3
... it suggested the name of “Polype à Panache,” by which he subsequently
designated it.” Almost immediately after this the same species was detected in
England by Baker, who subsequently described it under the name of “Bellflower
animal.
... it suggested the name of “Polype à Panache,” by which he subsequently
designated it.” Almost immediately after this the same species was detected in
England by Baker, who subsequently described it under the name of “Bellflower
animal.
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Volumen28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance attached become Beneden bodies branches branchial British canal cavity cell characters cilia closely coenoecium complete condition connected consists constitutes contained continuous 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 organ orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor 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