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 73
... Hancock's determination of the Northumberland species . In the same year , I presented to the British Association a report on the state of our knowledge of the fresh - water Polyzoa , * in which it was my object to give a detailed ...
... Hancock's determination of the Northumberland species . In the same year , I presented to the British Association a report on the state of our knowledge of the fresh - water Polyzoa , * in which it was my object to give a detailed ...
Página 100
... Hancock . Fig . 15. * * Figure copied from Hancock . Specific character . - Conocium adherent , creeping , irregularly. 100 PLUMATELLA PUNCTATA .
... Hancock . Fig . 15. * * Figure copied from Hancock . Specific character . - Conocium adherent , creeping , irregularly. 100 PLUMATELLA PUNCTATA .
Página 101
... Hancock . The following is Mr. Hancock's description of this species : " Polypidom adhering throughout , coriaceous , pellucid , of a pale , watery , green colour , irregularly but not much branched , seldom extending more than half an ...
... Hancock . The following is Mr. Hancock's description of this species : " Polypidom adhering throughout , coriaceous , pellucid , of a pale , watery , green colour , irregularly but not much branched , seldom extending more than half an ...
Página 102
... Hancock ; and the absence of an authentic figure is here again much to be regretted . 5. Plumatella fruticosa , Allman . Pl . VI , figs . 3-5 . Specific character . - Conocium irregularly branched , attached only at its origin ; cells ...
... Hancock ; and the absence of an authentic figure is here again much to be regretted . 5. Plumatella fruticosa , Allman . Pl . VI , figs . 3-5 . Specific character . - Conocium irregularly branched , attached only at its origin ; cells ...
Página 105
... the orifice being the only point in which I can find any valid distinction between the two species . 9. Plumatella Allmani , Hancock . Fig . 16. * 14 PLUMATELLA DIFFUSA . 105 tubes are loaded with elongated ova, which lie quite ...
... the orifice being the only point in which I can find any valid distinction between the two species . 9. Plumatella Allmani , Hancock . Fig . 16. * 14 PLUMATELLA DIFFUSA . 105 tubes are loaded with elongated ova, which lie quite ...
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