A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 18
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ' ) , while ... In Cristatella , the cells of the internal
layer corresponding to the middle layer of the stomach are large , and filled , in
the ...
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ' ) , while ... In Cristatella , the cells of the internal
layer corresponding to the middle layer of the stomach are large , and filled , in
the ...
Página 27
3 , 4 , n ) resembles in attachments and use the corresponding muscle in the
other species , but is not so distinctly divided into two separate fasciculi . ( 2. )
Anterior Parieto - vaginal Muscles . These constitute four strong fasciculi ( Pl . X ,
figs .
3 , 4 , n ) resembles in attachments and use the corresponding muscle in the
other species , but is not so distinctly divided into two separate fasciculi . ( 2. )
Anterior Parieto - vaginal Muscles . These constitute four strong fasciculi ( Pl . X ,
figs .
Página 54
... relative positions and mode of articulation of the valve which closes the cell in
the marine cheilostomatous Polyzoa and of the peculiar bodies known as
avicularia , which occur in the same group of Polyzoa , with corresponding
characters in ...
... relative positions and mode of articulation of the valve which closes the cell in
the marine cheilostomatous Polyzoa and of the peculiar bodies known as
avicularia , which occur in the same group of Polyzoa , with corresponding
characters in ...
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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