A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
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Página 1
... true Polypes , with which the Polyzoa had , until recent times , been con- founded , without any suspicion of the wide interval by which they were really separated , that their historical statement will necessarily involve a rapid ...
... true Polypes , with which the Polyzoa had , until recent times , been con- founded , without any suspicion of the wide interval by which they were really separated , that their historical statement will necessarily involve a rapid ...
Página 2
... true animals of the same nature as the Actiniæ of the rocks , whose animality was sufficiently obvious to leave no room for doubt , and that the hard stony coral was a peculiar habitation built by these creatures for their protection ...
... true animals of the same nature as the Actiniæ of the rocks , whose animality was sufficiently obvious to leave no room for doubt , and that the hard stony coral was a peculiar habitation built by these creatures for their protection ...
Página 3
... true bearing on systematic zoology , began to be appreciated . The in- vestigations of Trembley and Baker , however , having clearly demonstrated , in the " Polype à Panache , " all the essential characters of polyzoal structure , must ...
... true bearing on systematic zoology , began to be appreciated . The in- vestigations of Trembley and Baker , however , having clearly demonstrated , in the " Polype à Panache , " all the essential characters of polyzoal structure , must ...
Página 4
... true corals and madrepores , 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 ...
... true corals and madrepores , 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 ...
Página 5
... true radiate zoophytes never occurred to him , and he imagines the affinity with the Mollusca to be possessed by the entire group of his polypes à polypiers . " J'ai dit , " says he ( Exposition Méthodique des Genres de l'Ordre des ...
... true radiate zoophytes never occurred to him , and he imagines the affinity with the Mollusca to be possessed by the entire group of his polypes à polypiers . " J'ai dit , " says he ( Exposition Méthodique des Genres de l'Ordre des ...
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
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes