A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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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 .
... 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 .
Página 3
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 upon their new ...
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 upon their new ...
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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 .
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 .
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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 ...
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 ...
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... and the transparency and want of colour of their contents , they escape detection under ordinary circumstances , and are first revealed only by the abnormal ( ? ) development of the peculiar corpuscles in their interior .
... and the transparency and want of colour of their contents , they escape detection under ordinary circumstances , and are first revealed only by the abnormal ( ? ) development of the peculiar corpuscles in their interior .
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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
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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Volumen18 de ¬The Ray Society |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |