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 65
... statoblasts of Alcyonella ; and relying on this certainly erroneous observation , he concludes that the statoblasts of Alcyonella and Cristatella are nothing more than parasites peculiar to these genera . 6 In 1828 , Dr. Fleming ...
... statoblasts of Alcyonella ; and relying on this certainly erroneous observation , he concludes that the statoblasts of Alcyonella and Cristatella are nothing more than parasites peculiar to these genera . 6 In 1828 , Dr. Fleming ...
Página 66
... statoblasts , which he has seen to open for the escape of the young . 6 In 1834 , M. De Blainville published the first edition of his Manual of Actinology . ' * In this he constitutes a distinct sub - class of his Polypiaires , under ...
... statoblasts , which he has seen to open for the escape of the young . 6 In 1834 , M. De Blainville published the first edition of his Manual of Actinology . ' * In this he constitutes a distinct sub - class of his Polypiaires , under ...
Página 67
... ( statoblast ) given by Turpin , but he tells us no new fact of importance concerning the animal , and he commits the ... statoblasts of the Cristatella , with whose study he had just been engaged , that he does not hesitate to consider ...
... ( statoblast ) given by Turpin , but he tells us no new fact of importance concerning the animal , and he commits the ... statoblasts of the Cristatella , with whose study he had just been engaged , that he does not hesitate to consider ...
Página 70
... statoblasts ( or the ova , as I then , in common with other observers , believed them to be ) , were described as enclosed , during their young state , in a ciliated membranous sac , within which the hooked spines , of which they are at ...
... statoblasts ( or the ova , as I then , in common with other observers , believed them to be ) , were described as enclosed , during their young state , in a ciliated membranous sac , within which the hooked spines , of which they are at ...
Página 71
... statoblasts in a particular stage of evolution , and deprived of their external shell . The statoblasts themselves in Alcyonella and Fredericella are described , but the essential structure of an ovum is attributed to them , while some ...
... statoblasts in a particular stage of evolution , and deprived of their external shell . The statoblasts themselves in Alcyonella and Fredericella are described , but the essential structure of an ovum is attributed to them , while some ...
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