A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 8
Ý The sort of disc or stage which surrounds the mouth and bears the tentacula , I
have called Lophophore . || The Epistome is a peculiar valve - like organ which
arches over the mouth in most of the fresh - water genera . The Perigastric ...
Ý The sort of disc or stage which surrounds the mouth and bears the tentacula , I
have called Lophophore . || The Epistome is a peculiar valve - like organ which
arches over the mouth in most of the fresh - water genera . The Perigastric ...
Página 9
... which all the species of Polyzoa , both marine and fresh - water , admit of being
arranged : * ' English Cyclopædia , ' 1855 , article “ Mollusca ; ” and “ Phil . Trans .
, ' 1853 . ORDERS . SUB - ORDERS . Arms of lophophore free 2 ASPECTS .
... which all the species of Polyzoa , both marine and fresh - water , admit of being
arranged : * ' English Cyclopædia , ' 1855 , article “ Mollusca ; ” and “ Phil . Trans .
, ' 1853 . ORDERS . SUB - ORDERS . Arms of lophophore free 2 ASPECTS .
Página 10
SUB - ORDERS . Arms of lophophore free or obsolete . Lophophore bilateral ;
mouth with an epistome . LOPHOPEA ( fresh - water ) . PHYLACTOLÆMATA . *
Arms of lophophore united at the extremities . " } } * } PEDICELLINEAI ( marine ) .
SUB - ORDERS . Arms of lophophore free or obsolete . Lophophore bilateral ;
mouth with an epistome . LOPHOPEA ( fresh - water ) . PHYLACTOLÆMATA . *
Arms of lophophore united at the extremities . " } } * } PEDICELLINEAI ( marine ) .
Página 12
In the species with bilateral lophophore , the fibres may be seen towards the
apertures of the cells ( Pl . V , figs . 5 , 6 , v ) ; but it is generally impossible , in
consequence of the increasing opacity of the superjacent structures , to trace
these ...
In the species with bilateral lophophore , the fibres may be seen towards the
apertures of the cells ( Pl . V , figs . 5 , 6 , v ) ; but it is generally impossible , in
consequence of the increasing opacity of the superjacent structures , to trace
these ...
Página 15
is the only fresh - water representative of the division with orbicular lophophore (
Gymnolæmata ) , presents some peculiarities , and should be examined by itself .
* See Schlossberger , Zur näheren Kenntniss der Mushelschalen , des Byssus ...
is the only fresh - water representative of the division with orbicular lophophore (
Gymnolæmata ) , presents some peculiarities , and should be examined by itself .
* See Schlossberger , Zur näheren Kenntniss der Mushelschalen , des Byssus ...
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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 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
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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