A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Resultados 6-10 de 55
Página 6
... structure had now been recognised in the Polyzoa , naturalists had not yet emancipated themselves from the old ... structure by Trembley and Baker . 6. The determination of the structure of certain marine Polyzoa by the independent and ...
... structure had now been recognised in the Polyzoa , naturalists had not yet emancipated themselves from the old ... structure by Trembley and Baker . 6. The determination of the structure of certain marine Polyzoa by the independent and ...
Página 7
... structure of a Polyzoon in its simplest and most generalised condition . To give , however , more actuality to our ideal Polyzoon , we may bear in mind that the immediately investing sac has the power , in almost every case , of ...
... structure of a Polyzoon in its simplest and most generalised condition . To give , however , more actuality to our ideal Polyzoon , we may bear in mind that the immediately investing sac has the power , in almost every case , of ...
Página 8
... structure in the Polyzoa totally distinct from that of the Polypes proper , necessitates a change in the terminology employed in their description . On these grounds I have ventured to substitute some new terms for those previously used ...
... structure in the Polyzoa totally distinct from that of the Polypes proper , necessitates a change in the terminology employed in their description . On these grounds I have ventured to substitute some new terms for those previously used ...
Página 10
... structure of Pedicellina , see Note , p . 19 . § The location of Urnatella among the Gymnolæmatous Polyzoa must for the present be viewed as a provisional expedient , subject to alteration as its structure becomes better known . See the ...
... structure of Pedicellina , see Note , p . 19 . § The location of Urnatella among the Gymnolæmatous Polyzoa must for the present be viewed as a provisional expedient , subject to alteration as its structure becomes better known . See the ...
Página 11
... structure . In Lophopus , which is particularly well adapted for observing the intimate structure of this membrane , we find it composed of large irregularly shaped cells , widely separated from each other by an intervening substance ...
... structure . In Lophopus , which is particularly well adapted for observing the intimate structure of this membrane , we find it composed of large irregularly shaped cells , widely separated from each other by an intervening substance ...
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