A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 1
They are chiefly inhabitants of the sea , where they may be witnessed under
numerous plant - like guises ; now spreading like a lichen over submerged
stones , or old shells , or the broad fronds of Laminaria and other sea - weeds ;
now ...
They are chiefly inhabitants of the sea , where they may be witnessed under
numerous plant - like guises ; now spreading like a lichen over submerged
stones , or old shells , or the broad fronds of Laminaria and other sea - weeds ;
now ...
Página 40
After the decay of the cćnćcium many of these attached statoblasts may be
seen adherent to the stone or other body on which the specimen had developed
itself , and to which they are now connected in lines ( Pl . VII , figs . 5 , 10 )
through ...
After the decay of the cćnćcium many of these attached statoblasts may be
seen adherent to the stone or other body on which the specimen had developed
itself , and to which they are now connected in lines ( Pl . VII , figs . 5 , 10 )
through ...
Página 74
subalpine lakes or of rapid rivulets , where , by close adhesion to the under
surface of stones , they avoid the danger of being carried away by the current of
the stream ; while others prefer slowly running rivers or the sluggish waters of
canals ...
subalpine lakes or of rapid rivulets , where , by close adhesion to the under
surface of stones , they avoid the danger of being carried away by the current of
the stream ; while others prefer slowly running rivers or the sluggish waters of
canals ...
Página 75
... the under side of floating leaves , or upon the stones at the margin of lakes ,
where they are exposed to the ripple as it breaks upon the shore . 76 4 .
CONDENSED SYNOPSIS OF THE ORDERS , SUB GEOGRAPHICAL
DISTRIBUTION . 75.
... the under side of floating leaves , or upon the stones at the margin of lakes ,
where they are exposed to the ripple as it breaks upon the shore . 76 4 .
CONDENSED SYNOPSIS OF THE ORDERS , SUB GEOGRAPHICAL
DISTRIBUTION . 75.
Página 78
In clear lakes and ponds , where it creeps slowly over the upper side of
submerged stones and the stems of aquatic plants , delighting in sunlight .
LOCALITIES . — British : A millpond near Little Baddow , Essex ; Union Canal ,
Edinburgh ; a ...
In clear lakes and ponds , where it creeps slowly over the upper side of
submerged stones and the stems of aquatic plants , delighting in sunlight .
LOCALITIES . — British : A millpond near Little Baddow , Essex ; Union Canal ,
Edinburgh ; a ...
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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
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cćnćcium 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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
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