A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-5 de 30
Página 7
... retracted or protruded according to the will of the animal , the retraction being accompanied by an invagination of the sac so as partially or entirely to include the oral tentacula within it ; and if to these characters we add the ...
... retracted or protruded according to the will of the animal , the retraction being accompanied by an invagination of the sac so as partially or entirely to include the oral tentacula within it ; and if to these characters we add the ...
Página 8
... retraction is the 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 ...
... retraction is the 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 ...
Página 10
... retracted state . Polypide completely retractile ; evagination perfect ; orifice of the cell with a moveable lip . PALUDICELLEA ( fresh - water ) . CYCLOSTOMATA ( marine ) . CTENOSTOMATA ( marine ) . CHEILOSTOMATA || ( marine ) ...
... retracted state . Polypide completely retractile ; evagination perfect ; orifice of the cell with a moveable lip . PALUDICELLEA ( fresh - water ) . CYCLOSTOMATA ( marine ) . CTENOSTOMATA ( marine ) . CHEILOSTOMATA || ( marine ) ...
Página 11
... retraction and exsertion consisting merely in an invagination and evagination of the anterior part of the cell . The cœnocium , in every case , except in Cristatella , is composed of two distinct mem- branes , which must be carefully ...
... retraction and exsertion consisting merely in an invagination and evagination of the anterior part of the cell . The cœnocium , in every case , except in Cristatella , is composed of two distinct mem- branes , which must be carefully ...
Página 12
... retracted state of the polypide . Near the spot where the endocyst passes into the tentacular sheath , there appears to exist , at least in Lophopus , a circular canal , which here passes trans- versely round the endocyst . The presence ...
... retracted state of the polypide . Near the spot where the endocyst passes into the tentacular sheath , there appears to exist , at least in Lophopus , a circular canal , which here passes trans- versely round the endocyst . The presence ...
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