A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 8
... orifice of the cell . * Πολυποὺς , εἶδος . † Κοινὸς , οἰκίον . † Εκτος , κύστις . Επι , στομα . § ̓́Ενδον , κύστις . || Λόφος , φορέω . ** Περὶ , γαστὴρ . 1 1 3 I 1 Determination of Aspects . Another important point , which should 8 ...
... orifice of the cell . * Πολυποὺς , εἶδος . † Κοινὸς , οἰκίον . † Εκτος , κύστις . Επι , στομα . § ̓́Ενδον , κύστις . || Λόφος , φορέω . ** Περὶ , γαστὴρ . 1 1 3 I 1 Determination of Aspects . Another important point , which should 8 ...
Página 10
... orifice of cell destitute of moveable appendage . Polypide completely retractile ; evagination perfect ; a circle of setć attached to the ininvertible portion , and acting as an operculum in the retracted state . Polypide completely ...
... orifice of cell destitute of moveable appendage . Polypide completely retractile ; evagination perfect ; a circle of setć attached to the ininvertible portion , and acting as an operculum in the retracted state . Polypide completely ...
Página 11
... orifice , the retraction and exsertion consisting merely in an invagination and evagination of the anterior part of ... orifices . These cells are filled with a perfectly colourless and transparent fluid . Under the action of acetic acid ...
... orifice , the retraction and exsertion consisting merely in an invagination and evagination of the anterior part of ... orifices . These cells are filled with a perfectly colourless and transparent fluid . Under the action of acetic acid ...
Página 13
... orifices , where these particles are deficient , give to the ectocyst an opacity which renders an observation of the ... orifice of the cell the appearance of having a deep notch on one side . In Fredericella a slightly prominent keel is ...
... orifices , where these particles are deficient , give to the ectocyst an opacity which renders an observation of the ... orifice of the cell the appearance of having a deep notch on one side . In Fredericella a slightly prominent keel is ...
Página 14
... orifice of the cell it becomes thin and delicate , and is here strengthened by four longitudinal horny ribs ( Pl . X , fig . 3 , b ′′ ) . The part of the ectocyst to which the ribs are attached is carried inwards during extreme ...
... orifice of the cell it becomes thin and delicate , and is here strengthened by four longitudinal horny ribs ( Pl . X , fig . 3 , b ′′ ) . The part of the ectocyst to which the ribs are attached is carried inwards during extreme ...
Otras ediciones - Ver todas
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 Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
action adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British 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 Hancock 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 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