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 3
... become exalted from the vegetable into the animal . Even this partial admission by Linnæus of the flexible corals and Polyzoa into the animal kingdom was due to the discoveries of John Ellis , a London merchant , who , amid the ...
... become exalted from the vegetable into the animal . Even this partial admission by Linnæus of the flexible corals and Polyzoa into the animal kingdom was due to the discoveries of John Ellis , a London merchant , who , amid the ...
Página 10
... becomes better known . See the description of the genus farther on . The terms Cyclostomata , Ctenostomata , and Cheilostomata , were proposed by Busk , to indicate the primary subdivisions of the marine Gymnolæmatous Polyzoa . ( Voyage ...
... becomes better known . See the description of the genus farther on . The terms Cyclostomata , Ctenostomata , and Cheilostomata , were proposed by Busk , to indicate the primary subdivisions of the marine Gymnolæmatous Polyzoa . ( Voyage ...
Página 11
... becomes invaginated or inverted into itself , and then terminates by being attached round the base of the tentacular crown . During the exsertion of the polypide , the invaginated portion of the endocyst is carried out with the latter ...
... becomes invaginated or inverted into itself , and then terminates by being attached round the base of the tentacular crown . During the exsertion of the polypide , the invaginated portion of the endocyst is carried out with the latter ...
Página 12
... become condensed into a sort of sphincter , and shortly after this the endocyst alters its texture , losing its contractility and becoming thinner ( Pl . V , fig . 6 ) . In this condition it continues till it terminates by being ...
... become condensed into a sort of sphincter , and shortly after this the endocyst alters its texture , losing its contractility and becoming thinner ( Pl . V , fig . 6 ) . In this condition it continues till it terminates by being ...
Página 14
... becomes at once manifest when the animal has undergone partial desiccation , for then the ectocyst is thrown into folds by losing a portion of the fluid which had been imprisoned in it . Neither Trembley nor Baker takes any notice of ...
... becomes at once manifest when the animal has undergone partial desiccation , for then the ectocyst is thrown into folds by losing a portion of the fluid which had been imprisoned in it . Neither Trembley nor Baker takes any notice of ...
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