A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... important features in the structure of this remarkable Polyzoon . All the figures upon the eleven lithographic plates which accompany this volume have been drawn from Nature , and contain careful representations of every species which I ...
... important features in the structure of this remarkable Polyzoon . All the figures upon the eleven lithographic plates which accompany this volume have been drawn from Nature , and contain careful representations of every species which I ...
Página 2
... importance ; and , in 1741 , he visited the coast of Normandy , in order to subject them to the test of actual ... important light which its study shed upon the nature of these polypes , has invested its discovery with a peculiar ...
... importance ; and , in 1741 , he visited the coast of Normandy , in order to subject them to the test of actual ... important light which its study shed upon the nature of these polypes , has invested its discovery with a peculiar ...
Página 3
... important as that of the economy of Hydra . It was in the month of April , 1741 , that Trembley , while engaged in his researches on Hydra , discovered , in the fresh waters near the Hague , an animal form then quite new to science . It ...
... important as that of the economy of Hydra . It was in the month of April , 1741 , that Trembley , while engaged in his researches on Hydra , discovered , in the fresh waters near the Hague , an animal form then quite new to science . It ...
Página 4
... importance , and , as a necessary consequence , the association of forms of a widely different plan of structure . In the mean ... Important improvements too had taken place in our means of observation , and the value of anatomy in the ...
... importance , and , as a necessary consequence , the association of forms of a widely different plan of structure . In the mean ... Important improvements too had taken place in our means of observation , and the value of anatomy in the ...
Página 5
... important bearing of this connection on their systematic rank . * Cuvier had already determined a striking difference of structure between the Sertularian Polypes and those of Alcyonium , and a third type of structure , widely different ...
... important bearing of this connection on their systematic rank . * Cuvier had already determined a striking difference of structure between the Sertularian Polypes and those of Alcyonium , and a third type of structure , widely different ...
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
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