A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 81
... resemble those of Cristatella mucedo , and it was this character which induced Leidy to refer his new Polyzoon to the genus Crista- tella . It is not , however , furnished with a disc fitted for locomotion , and it has the orifices ...
... resemble those of Cristatella mucedo , and it was this character which induced Leidy to refer his new Polyzoon to the genus Crista- tella . It is not , however , furnished with a disc fitted for locomotion , and it has the orifices ...
Página 99
... resemblance to Paludicella , and even rendered the specimen liable , at first sight , to he mistaken for a large form of the latter Polyzoon . P. repens is a light - shunning animal , and will be found only on the under side of stones ...
... resemblance to Paludicella , and even rendered the specimen liable , at first sight , to he mistaken for a large form of the latter Polyzoon . P. repens is a light - shunning animal , and will be found only on the under side of stones ...
Página 103
... resemblance to Fredericella , indeed from a luxuriant specimen of the latter polyzoon it is frequently impossible to distinguish it without an inspection of the polypides or statoblasts . I have found this species throughout the entire ...
... resemblance to Fredericella , indeed from a luxuriant specimen of the latter polyzoon it is frequently impossible to distinguish it without an inspection of the polypides or statoblasts . I have found this species throughout the entire ...
Página 109
... resemblance to Alcyonella flabellum ; from the latter animal , however , it is at once distinguished by its narrow , widely diverging branches never contracting the slightest adhesion to one another . I have as yet met with this species ...
... resemblance to Alcyonella flabellum ; from the latter animal , however , it is at once distinguished by its narrow , widely diverging branches never contracting the slightest adhesion to one another . I have as yet met with this species ...
Página 112
... resemblance of the bushy conocium of this species to that of Plumatella fruticosa has been already mentioned , indeed I have no doubt of the one having been frequently mistaken for the other . I have met with F. sultana during the whole ...
... resemblance of the bushy conocium of this species to that of Plumatella fruticosa has been already mentioned , indeed I have no doubt of the one having been frequently mistaken for the other . I have met with F. sultana during the whole ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi 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 longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed oesophagus 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