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 5
... naturalist , Mr. J. V. Thompson , then officially stationed at Cork as deputy - inspector - general of hospitals , was making a series of observations on the marine productions of the coast . These observations had been commenced ...
... naturalist , Mr. J. V. Thompson , then officially stationed at Cork as deputy - inspector - general of hospitals , was making a series of observations on the marine productions of the coast . These observations had been commenced ...
Página 6
... naturalists had not yet emancipated themselves from the old notion that the closest affinities of these animals were ... naturalist who had made the matter a special subject of study , while the important division of the Molluscan sub ...
... naturalists had not yet emancipated themselves from the old notion that the closest affinities of these animals were ... naturalist who had made the matter a special subject of study , while the important division of the Molluscan sub ...
Página 22
... naturalist is certainly given to the stalk , and these motions , when witnessed in a living and active group of Pedicellinæ , present an appearance in the highest degree novel and interesting . The stalk of Pedicellina must be viewed as ...
... naturalist is certainly given to the stalk , and these motions , when witnessed in a living and active group of Pedicellinæ , present an appearance in the highest degree novel and interesting . The stalk of Pedicellina must be viewed as ...
Página 56
... naturalists detected the statoblasts , which they took for eggs , and observed the escape from them of the young Polyzoon . In 1744 , Trembley published his famous memoirs on fresh - water polypes . * In these is a full description of ...
... naturalists detected the statoblasts , which they took for eggs , and observed the escape from them of the young Polyzoon . In 1744 , Trembley published his famous memoirs on fresh - water polypes . * In these is a full description of ...
Página 58
... naturalists in accuracy . He observed the statoblasts in the interior of the tubes , and , under the impression that he had recognised similar bodies on the under surface of the floating fronds of Lemna , he believes them to be the ...
... naturalists in accuracy . He observed the statoblasts in the interior of the tubes , and , under the impression that he had recognised similar bodies on the under surface of the floating fronds of Lemna , he believes them to be the ...
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