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 70
... fresh - water Polyzoa occurring in Ireland . † In this paper two new species of Plumatella and one of Fredericella are described , and the peculiarities of Paludicella were deemed of sufficient importance to raise this genus to the type ...
... fresh - water Polyzoa occurring in Ireland . † In this paper two new species of Plumatella and one of Fredericella are described , and the peculiarities of Paludicella were deemed of sufficient importance to raise this genus to the type ...
Página 73
... Polyzoa , † in which the fresh - water hippocrepian forms were adduced as affording a means of clearing up some difficult points in the homological relations of the two groups . In 1851 , we find several communications on the subject of the ...
... Polyzoa , † in which the fresh - water hippocrepian forms were adduced as affording a means of clearing up some difficult points in the homological relations of the two groups . In 1851 , we find several communications on the subject of the ...
Página 75
... fresh - water tanks in India have been subjected to examination , both botanically and zoologically ; and though we should naturally expect to find the fresh - water Polyzoa luxuriating in such a habitat , none of the naturalists who ...
... fresh - water tanks in India have been subjected to examination , both botanically and zoologically ; and though we should naturally expect to find the fresh - water Polyzoa luxuriating in such a habitat , none of the naturalists who ...
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