A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 6-10 de 16
Página 54
... resemblance ; where functions of the same kind are to be performed , there must necessarily be a certain degree of resemblance in the instruments , and this resem- blance may show itself not only in form but in position and relation to ...
... resemblance ; where functions of the same kind are to be performed , there must necessarily be a certain degree of resemblance in the instruments , and this resem- blance may show itself not only in form but in position and relation to ...
Página 57
... resemblance in certain parts of its structure between it and a hippocrepian Polyzoon , I believe that this resemblance points to no real affinity , and must be viewed only as a remarkable example of representative form , —of ...
... resemblance in certain parts of its structure between it and a hippocrepian Polyzoon , I believe that this resemblance points to no real affinity , and must be viewed only as a remarkable example of representative form , —of ...
Página 61
... resemblance of the tentacle to a finger , that he says the animal may be called " Das Finger - thier , " and he is in great delight at seeing one of the sup- posed fingers when separated from the plume swimming about with an apparently ...
... resemblance of the tentacle to a finger , that he says the animal may be called " Das Finger - thier , " and he is in great delight at seeing one of the sup- posed fingers when separated from the plume swimming about with an apparently ...
Página 72
... resemblance between the arms of the lophophore in the hippocrepian Polyzoa and the oral arms of the Brachiopoda , and com- pares the arrangement and action of certain muscles in the two groups - important points tending to throw light ...
... resemblance between the arms of the lophophore in the hippocrepian Polyzoa and the oral arms of the Brachiopoda , and com- pares the arrangement and action of certain muscles in the two groups - important points tending to throw light ...
Página 79
... resemble , are larger than those of any other fresh - water Polyzoon . They are also , with the same exception , the only ones having an orbicular shape . One face is a little more convex than the other . The annulus is wide , very ...
... resemble , are larger than those of any other fresh - water Polyzoon . They are also , with the same exception , the only ones having an orbicular shape . One face is a little more convex than the other . The annulus is wide , very ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
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 Linnæus 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