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 10
... Lophophore bilateral ; mouth with an epistome . Arms of lophophore free or obsolete . } LOPHOPEA ( fresh - water ) . PHYLACTOLEMATA . * Arms of lophophore united at the extremities . } PEDICELLINEA ‡ ( marine ) . Polypide only partially ...
... Lophophore bilateral ; mouth with an epistome . Arms of lophophore free or obsolete . } LOPHOPEA ( fresh - water ) . PHYLACTOLEMATA . * Arms of lophophore united at the extremities . } PEDICELLINEA ‡ ( marine ) . Polypide only partially ...
Página 19
... lophophore . The lophophore is throughout almost the entire class of an orbicular figure ; but in the fresh - water genera Cristatella , Lophopus , Plumatella , and Alcyonella , its neural margin , or that which corresponds to the side ...
... lophophore . The lophophore is throughout almost the entire class of an orbicular figure ; but in the fresh - water genera Cristatella , Lophopus , Plumatella , and Alcyonella , its neural margin , or that which corresponds to the side ...
Página 37
... lophophore has begun to develop itself from its walls , and that the triangular space corresponds to the interval between the two arms of the rudimental lophophore . By this time the young polypide has become removed from the surface of ...
... lophophore has begun to develop itself from its walls , and that the triangular space corresponds to the interval between the two arms of the rudimental lophophore . By this time the young polypide has become removed from the surface of ...
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