A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... consisting of a single species , are confined to the United States of America , where they were recently discovered by Dr. Leidy , who has given us a description of them , which , however , is purely zoographical . To Dr. Leidy's ...
... consisting of a single species , are confined to the United States of America , where they were recently discovered by Dr. Leidy , who has given us a description of them , which , however , is purely zoographical . To Dr. Leidy's ...
Página 7
... consisting of œsophagus , stomach , and intestine , to be furnished at its origin with long ciliated tentacula , and to have a single nervous ganglion situated on one side of the oesophagus . Let us now suppose this canal to be bent ...
... consisting of œsophagus , stomach , and intestine , to be furnished at its origin with long ciliated tentacula , and to have a single nervous ganglion situated on one side of the oesophagus . Let us now suppose this canal to be bent ...
Página 11
... consisting merely in an invagination and evagination of the anterior part of the cell . The cœnocium , in every case ... consist almost entirely of bodies exactly resembling the nuclei of 11.
... consisting merely in an invagination and evagination of the anterior part of the cell . The cœnocium , in every case ... consist almost entirely of bodies exactly resembling the nuclei of 11.
Página 12
Including All the Known Species, Both British and Foreign George James Allman. consist almost entirely of bodies exactly resembling the nuclei of the cells ; some of these intercellular nuclei contain two nucleoli , and seem to be ...
Including All the Known Species, Both British and Foreign George James Allman. consist almost entirely of bodies exactly resembling the nuclei of the cells ; some of these intercellular nuclei contain two nucleoli , and seem to be ...
Página 14
... consists of a membranous tunic of great delicacy , apparently enclosing a perfectly transparent and colourless fluid , probably in the meshes of a sort of areolar tissue . I have not , however , succeeded in making out in it any ...
... consists of a membranous tunic of great delicacy , apparently enclosing a perfectly transparent and colourless fluid , probably in the meshes of a sort of areolar tissue . I have not , however , succeeded in making out in it any ...
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