A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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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 ...
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 ...
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... separated as a distinct group , and described by Thompson under the name of
Polyzoa , and shortly after indicated by Ehrenberg under that of Bryozoa . They
are chiefly inhabitants of the sea , where they may be witnessed under numerous
...
... separated as a distinct group , and described by Thompson under the name of
Polyzoa , and shortly after indicated by Ehrenberg under that of Bryozoa . They
are chiefly inhabitants of the sea , where they may be witnessed under numerous
...
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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 ...
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 ...
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... 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 . ” + Both Trembley and Baker bestowed ...
... 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 . ” + Both Trembley and Baker bestowed ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
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 canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella 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 represented 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