A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 8
... orifice of the cell . * Πολυποὺς , εἶδος . † Κοινός , οἰκίον . † Εκτος , κύστις , Η Επι , στομα . § Ενδον , κύστις . || Λόφος , φορέω . ** Περὶ , γαστήρ . Determination of Aspects . Another important point , which should 8 DEFINITION OF ...
... orifice of the cell . * Πολυποὺς , εἶδος . † Κοινός , οἰκίον . † Εκτος , κύστις , Η Επι , στομα . § Ενδον , κύστις . || Λόφος , φορέω . ** Περὶ , γαστήρ . Determination of Aspects . Another important point , which should 8 DEFINITION OF ...
Página 10
... orifice of cell destitute of move- able appendage . Polypide completely retractile ; evagination perfect ; a circle of setæ attached to the in- invertible portion , and act- ing as an operculum in the retracted state . Polypide ...
... orifice of cell destitute of move- able appendage . Polypide completely retractile ; evagination perfect ; a circle of setæ attached to the in- invertible portion , and act- ing as an operculum in the retracted state . Polypide ...
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 Frede- ricella a slightly prominent keel ...
... 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 Frede- ricella a slightly prominent keel ...
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
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes