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 10
... Pedicellina , but even Fredericella , whose relations with the species furnished with a crescentic lophophore are of the most intimate kind . Hippocrepianism , therefore , though of great interest as a morphological fact , tending , as ...
... Pedicellina , but even Fredericella , whose relations with the species furnished with a crescentic lophophore are of the most intimate kind . Hippocrepianism , therefore , though of great interest as a morphological fact , tending , as ...
Página 11
... Pedicellina , complete . The attachment of the endocyst to the base of the tentacular crown closes the cœnœcial chambers externally , while the polypide is thus suspended in the midst of the fluid with which these chambers are filled ...
... Pedicellina , complete . The attachment of the endocyst to the base of the tentacular crown closes the cœnœcial chambers externally , while the polypide is thus suspended in the midst of the fluid with which these chambers are filled ...
Página 19
... Pedicellina , which presents a condition of the lophophore altogether unique and exceptional , * and some other marine genera in which a slight tendency to assume a bilateral form may be observed , but which never possess an epistome ...
... Pedicellina , which presents a condition of the lophophore altogether unique and exceptional , * and some other marine genera in which a slight tendency to assume a bilateral form may be observed , but which never possess an epistome ...
Página 20
... PEDICELLINA . Fig 4. Front view of lophophore and contiguous parts . Ectocyst . 6. Endocyst . c . Invaginated portion of endocyst adherent to the bases of the tentacula and entering into the formation of the cup . d . Muscular fibres ...
... PEDICELLINA . Fig 4. Front view of lophophore and contiguous parts . Ectocyst . 6. Endocyst . c . Invaginated portion of endocyst adherent to the bases of the tentacula and entering into the formation of the cup . d . Muscular fibres ...
Página 21
... Pedicellina . It is a tube in whose walls both ectocyst and endocyst can be demonstrated ; it contains straight muscular fibres , which extend from the base of the cell to the point of attachment of the stalk ; and besides these , more ...
... Pedicellina . It is a tube in whose walls both ectocyst and endocyst can be demonstrated ; it contains straight muscular fibres , which extend from the base of the cell to the point of attachment of the stalk ; and besides these , more ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi 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 longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed oesophagus 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