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 37
... intestine also shows itself as a tubular process on one side of the bud ( fig . 13 ) . The lophophore , which from its earliest appearance is distinctly bilateral , now presents the form of a semicircle , with a bilobed base , and ...
... intestine also shows itself as a tubular process on one side of the bud ( fig . 13 ) . The lophophore , which from its earliest appearance is distinctly bilateral , now presents the form of a semicircle , with a bilobed base , and ...
Página 44
... Intestine . r . Anus . s . Cloaca . * See Milne - Edwards's beautiful memoir , " Sur les Ascidies Composées . " m . Languettes t . Tentacula at + Van Beneden sur les Ascidies simples . Mém . de l'Acad . Roy . de Belgique , ' tome xx ...
... Intestine . r . Anus . s . Cloaca . * See Milne - Edwards's beautiful memoir , " Sur les Ascidies Composées . " m . Languettes t . Tentacula at + Van Beneden sur les Ascidies simples . Mém . de l'Acad . Roy . de Belgique , ' tome xx ...
Página 45
... Intestine . r . Anus . s . Cavity of tantacular sheath . u . Ganglion . w . Retractor muscle . * In figs . 6-11 , the same letters are used throughout to indicate homologous parts . the calyx - like membrane adherent to the outer side ...
... Intestine . r . Anus . s . Cavity of tantacular sheath . u . Ganglion . w . Retractor muscle . * In figs . 6-11 , the same letters are used throughout to indicate homologous parts . the calyx - like membrane adherent to the outer side ...
Página 47
... Intestine . r . Anus . 8. Cloaca . u . Ganglion . v . Heart . in the determination of the present question . In this remarkable little Tunicate , the gill con- sists essentially of a tubular band , extending transversely across the ...
... Intestine . r . Anus . 8. Cloaca . u . Ganglion . v . Heart . in the determination of the present question . In this remarkable little Tunicate , the gill con- sists essentially of a tubular band , extending transversely across the ...
Página 50
... intestine is always , as originally insisted on by Huxley , turned towards the hæmal side , or that opposite to the ganglion , its whole course in the Polyzoa is as invariably towards the neural or ganglionic side . To the uniformity of ...
... intestine is always , as originally insisted on by Huxley , turned towards the hæmal side , or that opposite to the ganglion , its whole course in the Polyzoa is as invariably towards the neural or ganglionic side . To the uniformity of ...
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