A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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... the great beauty of their forms , and the facility with which they can in general
be observed in a living state , cannot but render them special favorites for every
lover of Nature ; and for the more profound student must confer on them a
peculiar ...
... the great beauty of their forms , and the facility with which they can in general
be observed in a living state , cannot but render them special favorites for every
lover of Nature ; and for the more profound student must confer on them a
peculiar ...
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... they have hitherto ( if we except an excellent paper by Mr. Albany Hancock )
received in this country but little attention ; and yet , even apart from its scientific
interest , few departments of microscopic observation will be found to possess
more ...
... they have hitherto ( if we except an excellent paper by Mr. Albany Hancock )
received in this country but little attention ; and yet , even apart from its scientific
interest , few departments of microscopic observation will be found to possess
more ...
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He felt their importance ; and , in 1741 , he visited the coast of Normandy , in
order to subject them to the test of actual observation . De Jussieu had here an
opportunity of examining the Alcyoniums , Sertulariæ , Flustræ , and other flexible
and ...
He felt their importance ; and , in 1741 , he visited the coast of Normandy , in
order to subject them to the test of actual observation . De Jussieu had here an
opportunity of examining the Alcyoniums , Sertulariæ , Flustræ , and other flexible
and ...
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In the year 1752 Ellis presented to the Royal Society the result of his first
observations on the nature of these He seems to have then known but little of the
labours of his predecessors in creatures . * Mémoires pour servir à l'Histoire d'un
Genre ...
In the year 1752 Ellis presented to the Royal Society the result of his first
observations on the nature of these He seems to have then known but little of the
labours of his predecessors in creatures . * Mémoires pour servir à l'Histoire d'un
Genre ...
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In 1755 , he published his famous ' Essay on the Natural History of Corallines , **
a work which in profuseness and fidelity of observation , in lucidity of description ,
and in pictorial illustration , seemed to leave little else to be accomplished .
In 1755 , he published his famous ' Essay on the Natural History of Corallines , **
a work which in profuseness and fidelity of observation , in lucidity of description ,
and in pictorial illustration , seemed to leave little else to be accomplished .
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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 ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium 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 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 represented 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