A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
Dentro del libro
Resultados 1-3 de 15
Página 11
The attachment of the endocyst to the base of the tentacular crown closes the
coenoecial chambers externally, while the polypide is thus suspended in the
midst of the fluid with which these chambers are filled. consist almost entirely of
bodies ...
The attachment of the endocyst to the base of the tentacular crown closes the
coenoecial chambers externally, while the polypide is thus suspended in the
midst of the fluid with which these chambers are filled. consist almost entirely of
bodies ...
Página 22
The perigastric space, and interior of the tentacula and lophophore, all freely
communicate with one another, and are filled with a clear fluid, in which float
numerous particles of very irregular form and size. In this fluid may be observed a
...
The perigastric space, and interior of the tentacula and lophophore, all freely
communicate with one another, and are filled with a clear fluid, in which float
numerous particles of very irregular form and size. In this fluid may be observed a
...
Página 39
p and the annulus is composed of large hexagonal cells filled with air. If the
whole be now crushed, under the microscope, multitudes of cells will escape, all
filled with minute, strongly refracting corpuscles (fig. 41, 41', 41') ; but any further ...
p and the annulus is composed of large hexagonal cells filled with air. If the
whole be now crushed, under the microscope, multitudes of cells will escape, all
filled with minute, strongly refracting corpuscles (fig. 41, 41', 41') ; but any further ...
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 |
Términos y frases comunes
adherent Alcyonella alimentary canal Allman anatomical animal annulus Ascidian attached become Beneden branches branchial sac Brit Brux campanulata cavity cell cilia coenoecium confined crescentic Cristatella mucedo d’eau douce described disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres fig filament filled find first floating fluid Flustrae Fredericella fresh-water Polyzoa funiculus ganglion gemma genera genus Gervais Hancock hippocrepian Hist homologous intestine invaginated l’Acad Lamarck layer Leidy Lop/zopus lophophore Lophopus magnified margin Mém membrane memoir Meyen Miiller mouth Naisa naturalists observed oesophagus orifice Original figures ovary ovum Paludicella peculiar Pedicellina perigastric space Plumatella repens Polype Polype a Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rosel seen septa side sinus species specific specimens statoblasts stomach structure sultana surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph