A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 65
... has seen crustacea escape from the statoblasts of Alcyonella ; and relying on
this certainly erroneous observation , he concludes that the statoblasts of
Alcyonella and Cristatella are nothing more than parasites peculiar to these
genera .
... has seen crustacea escape from the statoblasts of Alcyonella ; and relying on
this certainly erroneous observation , he concludes that the statoblasts of
Alcyonella and Cristatella are nothing more than parasites peculiar to these
genera .
Página 77
Genus I. CRISTATELLA , Cuvier , 1798 . Name . - A diminutive noun formed from
crista , a crest , in allusion to its tentacular plume . The genus Cristatella was
established by Cuvier , for the little animal originally described by Rösel under
the ...
Genus I. CRISTATELLA , Cuvier , 1798 . Name . - A diminutive noun formed from
crista , a crest , in allusion to its tentacular plume . The genus Cristatella was
established by Cuvier , for the little animal originally described by Rösel under
the ...
Página 78
Cristatella vagans . Goldfuss , Naturhistorisch Atlas . ( Figures copied from Rösel
. ) ... Cristatella mucedo . Cuvier , Rčg . An . , 2d edit . , vol . iii , p . 296 . 1834.
Cristatella mirabilis . Dalyell , Rep . Brit . Assoc . , p . 604 ; and Edinb . New Phil .
Cristatella vagans . Goldfuss , Naturhistorisch Atlas . ( Figures copied from Rösel
. ) ... Cristatella mucedo . Cuvier , Rčg . An . , 2d edit . , vol . iii , p . 296 . 1834.
Cristatella mirabilis . Dalyell , Rep . Brit . Assoc . , p . 604 ; and Edinb . New Phil .
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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 character cilia closely 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 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