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 55
... hippocrepia . He also kindly placed one of his specimens at my disposal Phoronis hippocrepia , Wright ; the annelidan homomorph of the hippocrepian Polyzoa . MAS Fig . 12 . k d k . a a h . Fig . 13 . Fig . 13. View in a plane at right ...
... hippocrepia . He also kindly placed one of his specimens at my disposal Phoronis hippocrepia , Wright ; the annelidan homomorph of the hippocrepian Polyzoa . MAS Fig . 12 . k d k . a a h . Fig . 13 . Fig . 13. View in a plane at right ...
Página 56
... hippocrepian Polyzoon . the body of the crescentic disc was placed the mouth , over which there arched a valve - like lip , situated exactly as the epistome of a Polyzoon . The mouth led into an oesophagus which could be easily traced ...
... hippocrepian Polyzoon . the body of the crescentic disc was placed the mouth , over which there arched a valve - like lip , situated exactly as the epistome of a Polyzoon . The mouth led into an oesophagus which could be easily traced ...
Página 69
... hippocrepian Polyzoa ; it describes the muscular , digestive , and nervous systems with much exactness and with con- siderable detail ; and maintains the expediency of removing the Polyzoa out of the Radiata , and dlacing them among the ...
... hippocrepian Polyzoa ; it describes the muscular , digestive , and nervous systems with much exactness and with con- siderable detail ; and maintains the expediency of removing the Polyzoa out of the Radiata , and dlacing them among the ...
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