A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... described as distinct species may afterwards prove to be only varieties of one and the same specific group ; but as they all possess a real existence , and are truly distinct forms , it was thought necessary , especially in so small a ...
... described as distinct species may afterwards prove to be only varieties of one and the same specific group ; but as they all possess a real existence , and are truly distinct forms , it was thought necessary , especially in so small a ...
Página 1
... described by Thompson under the name of Polyzoa , and shortly after indicated by Ehrenberg under that of Bryozoa . They are chiefly inhabitants of the sea , where they may be witnessed under numerous plant - like guises ; now spreading ...
... described by Thompson under the name of Polyzoa , and shortly after indicated by Ehrenberg under that of Bryozoa . They are chiefly inhabitants of the sea , where they may be witnessed under numerous plant - like guises ; now spreading ...
Página 2
... described by Marsigli were nothing more than the beautiful starry polypes of the coral , and he maintained that these were true animals of the same nature as the Actiniæ of the rocks , whose animality was sufficiently obvious to leave ...
... described by Marsigli were nothing more than the beautiful starry polypes of the coral , and he maintained that these were true animals of the same nature as the Actiniæ of the rocks , whose animality was sufficiently obvious to leave ...
Página 3
... described it under the name of " Bellflower animal . " Both Trembley and Baker bestowed upon their new animal a careful and accurate examination , and have thus made us acquainted with a very remarkable type of structure - a type ...
... described it under the name of " Bellflower animal . " Both Trembley and Baker bestowed upon their new animal a careful and accurate examination , and have thus made us acquainted with a very remarkable type of structure - a type ...
Página 4
... described the locomotive embryos of Flustræ ; he also gives an account of the animals of Flustra carbasea and F. foliacea , and shows them to be quite different from the hydroid polype of the Sertulariæ ; but he seems as yet to have had ...
... described the locomotive embryos of Flustræ ; he also gives an account of the animals of Flustra carbasea and F. foliacea , and shows them to be quite different from the hydroid polype of the Sertulariæ ; but he seems as yet to have had ...
Otras ediciones - Ver todas
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 |