A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 5
... animal discovered as an inhabitant of some Zoophytes . " Thompson had examined the animals of Bowerbankia imbricata , Valkeria cuscuta , V. pustulosa , Vesicularia spinosa , and other allied forms , and the difference of their structure ...
... animal discovered as an inhabitant of some Zoophytes . " Thompson had examined the animals of Bowerbankia imbricata , Valkeria cuscuta , V. pustulosa , Vesicularia spinosa , and other allied forms , and the difference of their structure ...
Página 6
... animals were still with the Polypes , and the Polyzoa , therefore , long continued to be classed with the Polypes , of which they were still considered as a group , though with distinct peculiarities , through which the Polypes ...
... animals were still with the Polypes , and the Polyzoa , therefore , long continued to be classed with the Polypes , of which they were still considered as a group , though with distinct peculiarities , through which the Polypes ...
Página 7
... animal , the retraction being accompanied by an invagination of the sac so as partially or entirely to include the oral tentacula within it ; and if to these characters we add the presence of true sexual organs in the form of ovary and ...
... animal , the retraction being accompanied by an invagination of the sac so as partially or entirely to include the oral tentacula within it ; and if to these characters we add the presence of true sexual organs in the form of ovary and ...
Página 8
... animal with its digestive tube , tentacula , ganglion , muscles , generative organs , circumambient fluid , and ... animals loosely applied to organs in no respect homologous , the purposes of a rigidly scientific description can , I ...
... animal with its digestive tube , tentacula , ganglion , muscles , generative organs , circumambient fluid , and ... animals loosely applied to organs in no respect homologous , the purposes of a rigidly scientific description can , I ...
Página 9
... animal . In fixing the meaning of the terms anterior and posterior we may assume the position of the mouth as indicating the region of the animal which is to be designated as anterior , while the posterior region will then be that ...
... animal . In fixing the meaning of the terms anterior and posterior we may assume the position of the mouth as indicating the region of the animal which is to be designated as anterior , while the posterior region will then be that ...
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