A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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... will render them very easy of detection ; while few objects are capable of
affording greater pleasure than these beautiful little molluscoids when examined
in a living state under a moderate power of the microscope . Notwithstanding the
large ...
... will render them very easy of detection ; while few objects are capable of
affording greater pleasure than these beautiful little molluscoids when examined
in a living state under a moderate power of the microscope . Notwithstanding the
large ...
Página 3
... by which he subsequently designated it . * Almost immediately after this the
same species was detected in England by Baker , who subsequently described it
under the name of “ Bellflower animal . ” + Both Trembley and Baker bestowed ...
... by which he subsequently designated it . * Almost immediately after this the
same species was detected in England by Baker , who subsequently described it
under the name of “ Bellflower animal . ” + Both Trembley and Baker bestowed ...
Página 5
... and in a great measure cut off from intercourse * Dumortier and Van Beneden (
' Hist . Nat . des Pol . comp . d'eau douce ' ) assign to Lamouroux the merit of
having been the first to detect the affinity between the Polyzoa and the Ascidiæ .
... and in a great measure cut off from intercourse * Dumortier and Van Beneden (
' Hist . Nat . des Pol . comp . d'eau douce ' ) assign to Lamouroux the merit of
having been the first to detect the affinity between the Polyzoa and the Ascidiæ .
Página 12
In all these , fibres may be detected in the endocyst . 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 ...
In all these , fibres may be detected in the endocyst . 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 ...
Página 13
... they escape detection under ordinary circumstances , and are first revealed
only by the abnormal ( - ) development of the peculiar corpuscles in their interior .
These corpuscles are not confined to the endocyst , but are also found at the
same ...
... they escape detection under ordinary circumstances , and are first revealed
only by the abnormal ( - ) development of the peculiar corpuscles in their interior .
These corpuscles are not confined to the endocyst , but are also found at the
same ...
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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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