A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 7
... and if to these characters we add the presence of true sexual organs in the
form of ovary and testis occupying some portion of the interior of the sac , and the
negative character of the absence of all vestige of a heart , we shall have
perhaps ...
... and if to these characters we add the presence of true sexual organs in the
form of ovary and testis occupying some portion of the interior of the sac , and the
negative character of the absence of all vestige of a heart , we shall have
perhaps ...
Página 8
surface a secondary investment of very various constitution in the different groups
; and we may , moreover , conceive of the entire animal with its digestive tube ,
tentacula , ganglion , muscles , generative organs , circumambient fluid , and ...
surface a secondary investment of very various constitution in the different groups
; and we may , moreover , conceive of the entire animal with its digestive tube ,
tentacula , ganglion , muscles , generative organs , circumambient fluid , and ...
Página 10
... to indicate the primary subdivisions of the marine Gymnolćmatous Polyzoa . (
Voyage of “ The Rattlesnake , ” vol . i , Appendix , p . 346. ) 2 . ANATOMY . A.
Organs for the Preservation of 10 ORDERS AND SUB - ORDERS OF POLYZOA .
... to indicate the primary subdivisions of the marine Gymnolćmatous Polyzoa . (
Voyage of “ The Rattlesnake , ” vol . i , Appendix , p . 346. ) 2 . ANATOMY . A.
Organs for the Preservation of 10 ORDERS AND SUB - ORDERS OF POLYZOA .
Página 11
A. Organs for the Preservation of the Individual . ( 1 ) Dermal System .
Cćnćcium . — The Polyzoa being all composite animals , the cćnćcium
constitutes essentially an assemblage of little cells or chambers , of very various
form , organically ...
A. Organs for the Preservation of the Individual . ( 1 ) Dermal System .
Cćnćcium . — The Polyzoa being all composite animals , the cćnćcium
constitutes essentially an assemblage of little cells or chambers , of very various
form , organically ...
Página 15
... the test of the Tunicata , unless more elaborately conducted researches shall
prove the essential constituent of the tissue in question be identical with the more
highly nitrogenized conchiolin of ordinary Mollusca . * ( 2. ) Organs of Digestion .
... the test of the Tunicata , unless more elaborately conducted researches shall
prove the essential constituent of the tissue in question be identical with the more
highly nitrogenized conchiolin of ordinary Mollusca . * ( 2. ) Organs of Digestion .
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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 ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
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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