A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 7
Retracted. a. Region of mouth, surrounded by tentacles, b. Alimentary canal, c.
Anus. d. Nervous ganglion. <?. Membranous investing sac. /. Testis. /'. Ovary, g.
Retractor muscle. Let us imagine an alimentary canal, consisting of oesophagus,
...
Retracted. a. Region of mouth, surrounded by tentacles, b. Alimentary canal, c.
Anus. d. Nervous ganglion. <?. Membranous investing sac. /. Testis. /'. Ovary, g.
Retractor muscle. Let us imagine an alimentary canal, consisting of oesophagus,
...
Página 8
The part of the cell through which the polypide admits of protrusion and retraction
is the orifice of the cell. *rio/\u7rovc, fISoc. t Koivoc, oifc/of. + 'E/oroc, Kvanq. § "
RvBov, Kvtrris. || Ao^ioc, <p»piw. *[ Etti, OTOfta. ** I Inn, yaart\p. \ ASPECTS.
The part of the cell through which the polypide admits of protrusion and retraction
is the orifice of the cell. *rio/\u7rovc, fISoc. t Koivoc, oifc/of. + 'E/oroc, Kvanq. § "
RvBov, Kvtrris. || Ao^ioc, <p»piw. *[ Etti, OTOfta. ** I Inn, yaart\p. \ ASPECTS.
Página 10
Polypide completely retractile; evagination perfect ; a circle of setae attached to
the in- invertible portion, and acting as an operculum in the retracted state.
Polypide completely retractile; -| evagination perfect; orificeof V the cell with a
moveable ...
Polypide completely retractile; evagination perfect ; a circle of setae attached to
the in- invertible portion, and acting as an operculum in the retracted state.
Polypide completely retractile; -| evagination perfect; orificeof V the cell with a
moveable ...
Página 11
It must not, however, be supposed that there is here any proper orifice, the
retraction and exsertion consisting merely in an invagination and evagination of
the anterior part of the cell. The coenoecium, in every case, except in Cristatella,
...
It must not, however, be supposed that there is here any proper orifice, the
retraction and exsertion consisting merely in an invagination and evagination of
the anterior part of the cell. The coenoecium, in every case, except in Cristatella,
...
Página 12
In this condition it continues till it terminates by being attached to the base of the
tentacular crown. This thin, non-contractile portion of the endocyst constitutes the
tentacular sheath which^encloses and protects the tentacula during the retracted
...
In this condition it continues till it terminates by being attached to the base of the
tentacular crown. This thin, non-contractile portion of the endocyst constitutes the
tentacular sheath which^encloses and protects the tentacula during the retracted
...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Volumen28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
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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