A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 33
... funiculus ( Pl . X , figs . 3 , 4 , 0 ) , similar in all respects to the funiculus of Alcyonella , and , except in position , to the anterior funiculus of the present genus . The testicle was coexistent with the ovary , and was loaded ...
... funiculus ( Pl . X , figs . 3 , 4 , 0 ) , similar in all respects to the funiculus of Alcyonella , and , except in position , to the anterior funiculus of the present genus . The testicle was coexistent with the ovary , and was loaded ...
Página 38
... funiculus , from which they are evidently developed as buds , and may generally be seen in various stages of growth , arranged upon this chord like beads on a necklace , being younger as they approach the distal extremities of the funiculus ...
... funiculus , from which they are evidently developed as buds , and may generally be seen in various stages of growth , arranged upon this chord like beads on a necklace , being younger as they approach the distal extremities of the funiculus ...
Página 42
... funiculus ( in Alcyonella ) , which probably belongs rather to the polypide than to the endocyst , there is developed the mass here described as testis . Now , if we view this mass as a mere organ of the polypide , we must then regard ...
... funiculus ( in Alcyonella ) , which probably belongs rather to the polypide than to the endocyst , there is developed the mass here described as testis . Now , if we view this mass as a mere organ of the polypide , we must then regard ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
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 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 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