A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 18
... correspond to the middle and external layers of the stomach , the former being here largely developed ( X ' ) , while ... corresponding to the middle layer of the stomach are large , and filled , in the well - fed animal , with a clear ...
... correspond to the middle and external layers of the stomach , the former being here largely developed ( X ' ) , while ... corresponding to the middle layer of the stomach are large , and filled , in the well - fed animal , with a clear ...
Página 27
... corresponding muscle in the other species , but is not so distinctly divided into two separate fasciculi . ( 2 ... correspond to the centre of the intervals between the insertion of the muscles . Mr. Hancock✶ enumerates , under the name ...
... corresponding muscle in the other species , but is not so distinctly divided into two separate fasciculi . ( 2 ... correspond to the centre of the intervals between the insertion of the muscles . Mr. Hancock✶ enumerates , under the name ...
Página 54
... corresponding characters in the shells of the typical Brachiopods . He shows that the smaller valve of the Brachiopod is articulated with the larger , just as the operculum of the Polyzoon is united with its cell , or as the lesser ...
... corresponding characters in the shells of the typical Brachiopods . He shows that the smaller valve of the Brachiopod is articulated with the larger , just as the operculum of the Polyzoon is united with its cell , or as the lesser ...
Otras ediciones - Ver todas
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 longitudinal 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