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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... present , to bring them definitely before the student , even though the future discovery of intermediate forms may disentitle them to a proper specific rank . While the present work , in its purely zoographical relations , is entirely ...
... present , to bring them definitely before the student , even though the future discovery of intermediate forms may disentitle them to a proper specific rank . While the present work , in its purely zoographical relations , is entirely ...
Página 52
... present memoir . But no view of the homological relations between two sets of organs can be accepted , unless it can also be shown that the conclusions derived from anatomy are confirmed by the history of development , or at least ...
... present memoir . But no view of the homological relations between two sets of organs can be accepted , unless it can also be shown that the conclusions derived from anatomy are confirmed by the history of development , or at least ...
Página 73
... present monograph , for the first time made known . 2 . HABITS OF THE FRESH - WATER POLYzoa . Besides presenting well - marked differences in form , the fresh - water Polyzoa differ also considerably from one another in their habits ...
... present monograph , for the first time made known . 2 . HABITS OF THE FRESH - WATER POLYzoa . Besides presenting well - marked differences in form , the fresh - water Polyzoa differ also considerably from one another in their habits ...
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