A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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All the figures upon the eleven lithographic plates which accompany this volume have been drawn from Nature , and contain careful representations of every species which I have seen . They have been engraved by Mr. Tuffen West , who has ...
All the figures upon the eleven lithographic plates which accompany this volume have been drawn from Nature , and contain careful representations of every species which I have seen . They have been engraved by Mr. Tuffen West , who has ...
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In this year the author published the first number of a projected periodicalt which was to contain a series of original memoirs on zoological subjects . Among the many important papers contained in this publication was one " On Polyzoa ...
In this year the author published the first number of a projected periodicalt which was to contain a series of original memoirs on zoological subjects . Among the many important papers contained in this publication was one " On Polyzoa ...
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Further , let us imagine the digestive tube thus constituted to be suspended in a fluid contained in a membranous sac with two openings , one for the mouth and the other for the vent ; the tentacula alone being external to the sac .
Further , let us imagine the digestive tube thus constituted to be suspended in a fluid contained in a membranous sac with two openings , one for the mouth and the other for the vent ; the tentacula alone being external to the sac .
Página 11
Under the action of acetic acid each is distinctly seen to be bounded by a double outline , and to contain a large nucleus with nucleolus ( Pl . II , fig . 9 ) ; the nucleus , with its nucleolus , are imbedded in the walls of the cell .
Under the action of acetic acid each is distinctly seen to be bounded by a double outline , and to contain a large nucleus with nucleolus ( Pl . II , fig . 9 ) ; the nucleus , with its nucleolus , are imbedded in the walls of the cell .
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Each of these cells is then also seen to contain a nucleus with nucleolus ( Pl . II , figs . ... In Paludicella , whose transparent ectocyst admits of a distinct view of all the contained parts , the fibres are collected into numerous ...
Each of these cells is then also seen to contain a nucleus with nucleolus ( Pl . II , figs . ... In Paludicella , whose transparent ectocyst admits of a distinct view of all the contained parts , the fibres are collected into numerous ...
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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 |