A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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THE following work contains the result of many years ' careful study of the fresh - water representatives of a group of animals which , in all their relations , are full of interest for the philosophic naturalist .
THE following work contains the result of many years ' careful study of the fresh - water representatives of a group of animals which , in all their relations , are full of interest for the philosophic naturalist .
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AMONG the most beautiful and interesting forms of invertebrate animals are those strange phytoidal productions which , long confounded with the polypes , were at last , by the nearly simultaneous investigations of several naturalists ...
AMONG the most beautiful and interesting forms of invertebrate animals are those strange phytoidal productions which , long confounded with the polypes , were at last , by the nearly simultaneous investigations of several naturalists ...
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It was in the last year of the sixteenth century that the Neapolitan , Ferante Imperato , asserted that corals possessed the nature of animals . * The announcement had passed away nearly unheeded ; and if at the end of more than a ...
It was in the last year of the sixteenth century that the Neapolitan , Ferante Imperato , asserted that corals possessed the nature of animals . * The announcement had passed away nearly unheeded ; and if at the end of more than a ...
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Both Trembley and Baker bestowed upon their new animal a careful and accurate examination , and have thus made us acquainted ... and it was not until a similar one in certain marine polypoid animals arrested the attention of naturalists ...
Both Trembley and Baker bestowed upon their new animal a careful and accurate examination , and have thus made us acquainted ... and it was not until a similar one in certain marine polypoid animals arrested the attention of naturalists ...
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the same field , and his researches , which were thus entirely independent , led him to the conclusion , " that these apparent plants were ramified animals in their proper skins or cases . " In 1755 , he published his famous ' Essay on ...
the same field , and his researches , which were thus entirely independent , led him to the conclusion , " that these apparent plants were ramified animals in their proper skins or cases . " In 1755 , he published his famous ' Essay on ...
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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
action adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives Hancock Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organ orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young