A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 6-10 de 26
Página 23
... corresponds to a true aquiferous system subservient to a respiratory function . But it also without doubt receives ... correspond to the " chyle - aqueous fluid , " which plays so important a part in the economy of the lower animals ...
... corresponds to a true aquiferous system subservient to a respiratory function . But it also without doubt receives ... correspond to the " chyle - aqueous fluid , " which plays so important a part in the economy of the lower animals ...
Página 26
... corresponding parts in Paludicella , as well as in certain marine Polyzoa , is altogether in favour of their muscularity ; but they do not always present the appearance of distinct fibrous fascicles , and I have been unable to detect in ...
... corresponding parts in Paludicella , as well as in certain marine Polyzoa , is altogether in favour of their muscularity ; but they do not always present the appearance of distinct fibrous fascicles , and I have been unable to detect in ...
Página 27
... corresponding muscle in the other species , but is not so distinctly divided into two separate fasciculi . ( 2 ... correspond to the centre of the intervals between the insertion of the muscles . Mr. Hancock * enumerates , under the name ...
... corresponding muscle in the other species , but is not so distinctly divided into two separate fasciculi . ( 2 ... correspond to the centre of the intervals between the insertion of the muscles . Mr. Hancock * enumerates , under the name ...
Página 31
... corresponding chord of the opposite side . The tentacular filaments are directed towards the intervals between the tentacula . The ganglion also sends off a filament ( y ) , which dives into the substance of the œsophagus just behind ...
... corresponding chord of the opposite side . The tentacular filaments are directed towards the intervals between the tentacula . The ganglion also sends off a filament ( y ) , which dives into the substance of the œsophagus just behind ...
Página 32
... corresponding exactly in position to an ordinary bud , with the early stage of which it may indeed be readily confounded . This body is the ovary . It is filled with spherical ova in various stages of maturity . The testicle , which ...
... corresponding exactly in position to an ordinary bud , with the early stage of which it may indeed be readily confounded . This body is the ovary . It is filled with spherical ova in various stages of maturity . The testicle , which ...
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