A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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With regard to the few species which I have not had an opportunity of personally
examining , I have availed myself of the existence of published drawings
whenever they were to be found , and under the description of these species
have given ...
With regard to the few species which I have not had an opportunity of personally
examining , I have availed myself of the existence of published drawings
whenever they were to be found , and under the description of these species
have given ...
Página
... but as they all possess a real existence , and are truly distinct forms , it was
thought necessary , especially in so small a group as the present , to bring them
definitely before the student , even though the future discovery of intermediate
forms ...
... but as they all possess a real existence , and are truly distinct forms , it was
thought necessary , especially in so small a group as the present , to bring them
definitely before the student , even though the future discovery of intermediate
forms ...
Página 4
... but of all those flexible and horny productions whose plant - like form was at
such variance with every previously conceived notion of animal existence . It was
not yet suspected that among these curious “ zoophytes , ” so like one another in
...
... but of all those flexible and horny productions whose plant - like form was at
such variance with every previously conceived notion of animal existence . It was
not yet suspected that among these curious “ zoophytes , ” so like one another in
...
Página 12
... there appears to exist , at least in Lophopus , a circular canal , which here
passes transversely round the endocyst . The presence of this canal is revealed
by peculiar , spherical or oval , brilliant corpuscles , which it almost always
contains in ...
... there appears to exist , at least in Lophopus , a circular canal , which here
passes transversely round the endocyst . The presence of this canal is revealed
by peculiar , spherical or oval , brilliant corpuscles , which it almost always
contains in ...
Página 13
In Fredericella a slightly prominent keel is also apparent , but the notch - like
transparent space does not here exist . In Cristatella ( Pl . I ) the ectocyst would
seem to be entirely absent ; and this genus , therefore , presents the anomalous ...
In Fredericella a slightly prominent keel is also apparent , but the notch - like
transparent space does not here exist . In Cristatella ( Pl . I ) the ectocyst would
seem to be entirely absent ; and this genus , therefore , presents the anomalous ...
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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 alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous 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 organs 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, 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 |
| Exportar cita | BiBTeX EndNote RefMan |