A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 41
The external resemblance of these ephippia with the statoblasts of the Polyzoa is
singularly striking ; but , with the very ... to attribute a greater share of significance
to this resemblance than it really deserves.t The reproductive phenomena of ...
The external resemblance of these ephippia with the statoblasts of the Polyzoa is
singularly striking ; but , with the very ... to attribute a greater share of significance
to this resemblance than it really deserves.t The reproductive phenomena of ...
Página 53
It is plain that , in its essential points , the resemblance here with what we have
seen to occur in the Polyzoa is complete . The closed cavity , constituting the
early stage of the branchial chamber in the Salpa , resembles even in minute ...
It is plain that , in its essential points , the resemblance here with what we have
seen to occur in the Polyzoa is complete . The closed cavity , constituting the
early stage of the branchial chamber in the Salpa , resembles even in minute ...
Página 54
indicate homological identity , though we should be cautious in concluding as to
homological relations from mere resemblance ; where functions of the same kind
are to be performed , there must necessarily be a certain degree of resemblance
...
indicate homological identity , though we should be cautious in concluding as to
homological relations from mere resemblance ; where functions of the same kind
are to be performed , there must necessarily be a certain degree of resemblance
...
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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
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 Illinois en Urbana-Champaign |
| Digitalizado | 13 Oct. 2015 |
| Largo | 119 páginas |
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