A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
Dentro del libro
Resultados 1-5 de 24
Página 3
It consisted of a lobed jelly-like mass, from which protruded numerous polypoid
bodies, each characterised by the possession of an elegant crown of tentacula
borne on the margin of a crescent-shaped disc. This beautiful tentacular plume is
...
It consisted of a lobed jelly-like mass, from which protruded numerous polypoid
bodies, each characterised by the possession of an elegant crown of tentacula
borne on the margin of a crescent-shaped disc. This beautiful tentacular plume is
...
Página 8
The sort of disc or stage which surrounds the mouth and bears the tentacula, I
have called Lophophore.\ The Epistome% is a peculiar valve-like organ which
arches over the mouth in most of the fresh-water genera. The Perigastric** space
is ...
The sort of disc or stage which surrounds the mouth and bears the tentacula, I
have called Lophophore.\ The Epistome% is a peculiar valve-like organ which
arches over the mouth in most of the fresh-water genera. The Perigastric** space
is ...
Página 13
In Cristatella, where the endocyst constitutes the whole of the coenoecium, it
presents below a flattened disc, which closely resembles the foot of a
gasteropodous mollusc, and on which this singular colony creeps about on the
stems and ...
In Cristatella, where the endocyst constitutes the whole of the coenoecium, it
presents below a flattened disc, which closely resembles the foot of a
gasteropodous mollusc, and on which this singular colony creeps about on the
stems and ...
Página 19
The tentacular crown of a Polyzoon consists of two portions, namely, first, a sort of
stage or disc (the lophophore) (PI. II, fig. 24 ; IX, fig. 7 ; X, figs. 3, 4, k) which
surrounds the mouth ; and secondly, a series of tentacula {I) which are borne
upon ...
The tentacular crown of a Polyzoon consists of two portions, namely, first, a sort of
stage or disc (the lophophore) (PI. II, fig. 24 ; IX, fig. 7 ; X, figs. 3, 4, k) which
surrounds the mouth ; and secondly, a series of tentacula {I) which are borne
upon ...
Página 26
... muscularity ; but they do not always present the appearance of distinct fibrous
fascicles, and I have been unable to detect in them the striae, or see them
breaking into the discs, which may be observed in the great retractors of the
polypide.
... muscularity ; but they do not always present the appearance of distinct fibrous
fascicles, and I have been unable to detect in them the striae, or see them
breaking into the discs, which may be observed in the great retractors of the
polypide.
Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
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 |
| Exportar cita | BiBTeX EndNote RefMan |