A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 12
Besides the structure now described, peculiar fibres (PI. II, fig. 10) are also
developed in the endocyst. These are situated on its inner surface, where they
constitute a well-marked layer composed of a network of transverse and
longitudinal ...
Besides the structure now described, peculiar fibres (PI. II, fig. 10) are also
developed in the endocyst. These are situated on its inner surface, where they
constitute a well-marked layer composed of a network of transverse and
longitudinal ...
Página 16
It may be observed, when the polypide is exserted from its cell, to be in a constant
motion, which consists in an alternate elevation and depression of the organ. The
elevation is effected by distinct muscular fibres (»), which are visible through ...
It may be observed, when the polypide is exserted from its cell, to be in a constant
motion, which consists in an alternate elevation and depression of the organ. The
elevation is effected by distinct muscular fibres (»), which are visible through ...
Página 17
Delicate circular striae may generally be distinctly observed in it, they may be
seen surrounding the stomach, and are probably muscular fibres ; they are
particularly evident in Alcyonella and Plumatella towards the fundus of the
stomach ; they ...
Delicate circular striae may generally be distinctly observed in it, they may be
seen surrounding the stomach, and are probably muscular fibres ; they are
particularly evident in Alcyonella and Plumatella towards the fundus of the
stomach ; they ...
Página 20
Muscular fibres surrounding the margin of the cup. e. Mouth. /. (Esophagus, ff.
Stomach, h. Rectum, i. Anus. k. Epistome. I. Ganglion, m. Generative organ. n.
Retractor muscle, o. Lophophore. The tentacula are connected to one another at
their ...
Muscular fibres surrounding the margin of the cup. e. Mouth. /. (Esophagus, ff.
Stomach, h. Rectum, i. Anus. k. Epistome. I. Ganglion, m. Generative organ. n.
Retractor muscle, o. Lophophore. The tentacula are connected to one another at
their ...
Página 21
The retractor fibres are obviously homologous with the great retractor muscles of
the others. The mouth, which occupies its normal position in the body of the
lophophore, opens into an oesophagus, which after a short course terminates in
the ...
The retractor fibres are obviously homologous with the great retractor muscles of
the others. The mouth, which occupies its normal position in the body of the
lophophore, opens into an oesophagus, which after a short course terminates in
the ...
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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 cavity cell character.—Coenoecium cilia coenoecium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid Flustrae fresh-water Polyzoa funiculus ganglion gemmae genera genus Gervais Hancock Hist homologous intestine invaginated l'Acad Lamarck layer Leidy longitudinal lophophore Lophopus crystallinus magnified margin membrane memoir Meyen mouth Naisa naturalists observed oesophagus organs orifice Original figures ovary ovum Pallas Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype a Panache polypide Polyzoon portion posterior present Raspail resemblance respiratory retraction retractor retractor muscles Rosel seen septa side specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Tema 28 de Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
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