A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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... so that I am enabled to introduce into the present work , a figure representing some of the more important features in the structure of this remarkable Polyzoon . All the figures upon the eleven lithographic plates which accompany ...
... so that I am enabled to introduce into the present work , a figure representing some of the more important features in the structure of this remarkable Polyzoon . All the figures upon the eleven lithographic plates which accompany ...
Página 2
He felt their importance ; and , in 1741 , he visited the coast of Normandy , in order to subject them to the test ... The close relation of the Hydra with the marine polypes was now abundantly apparent , and the important light which ...
He felt their importance ; and , in 1741 , he visited the coast of Normandy , in order to subject them to the test ... The close relation of the Hydra with the marine polypes was now abundantly apparent , and the important light which ...
Página 3
... in the least acquainted with the literature of zoology ; but the assiduity of the famous historian of the fresh - water polype was destined to be rewarded by a discovery perhaps just as important as that of the economy of Hydra .
... in the least acquainted with the literature of zoology ; but the assiduity of the famous historian of the fresh - water polype was destined to be rewarded by a discovery perhaps just as important as that of the economy of Hydra .
Página 4
Important improvements too had taken place in our means of observation , and the value of anatomy in the determination ... Zoologists were thus prepared to appreciate the importance of the new light which was about to be thrown upon the ...
Important improvements too had taken place in our means of observation , and the value of anatomy in the determination ... Zoologists were thus prepared to appreciate the importance of the new light which was about to be thrown upon the ...
Página 5
Among the many important papers contained in this publication was one " On Polyzoa , a new animal discovered as an inhabitant of some Zoophytes . " Thompson had examined the animals of Bowerbankia imbricata , Valkeria cuscuta ...
Among the many important papers contained in this publication was one " On Polyzoa , a new animal discovered as an inhabitant of some Zoophytes . " Thompson had examined the animals of Bowerbankia imbricata , Valkeria cuscuta ...
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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