A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 40
... adherent to the stone or other body on which the specimen had developed itself , and to which they are now connected in lines ( Pl . VII , figs . 5 , 10 ) through the medium of a portion of the old cell in which they had been produced ...
... adherent to the stone or other body on which the specimen had developed itself , and to which they are now connected in lines ( Pl . VII , figs . 5 , 10 ) through the medium of a portion of the old cell in which they had been produced ...
Página 41
... adherent ; it establishes new colonies by ova and statoblasts , and by ordinary gemmæ which ultimately become detached . If we attempt to correlate the individual phenomena now described in connection with the reproduction of the ...
... adherent ; it establishes new colonies by ova and statoblasts , and by ordinary gemmæ which ultimately become detached . If we attempt to correlate the individual phenomena now described in connection with the reproduction of the ...
Página 45
... adherent , and which is pierced in the intervals of these bars by the " branchial stigmata , " will have its homologue in Fig . 8 . fte Fig . 9 . 3- W n سو -ግ -d d C d Fig . 8. Plan of a Hypocrepian Polyzoa- longitudinal section . a ...
... adherent , and which is pierced in the intervals of these bars by the " branchial stigmata , " will have its homologue in Fig . 8 . fte Fig . 9 . 3- W n سو -ግ -d d C d Fig . 8. Plan of a Hypocrepian Polyzoa- longitudinal section . a ...
Página 46
... adherent to the outer side of the tentacula in Fredericella and the Hippocrepian Polyzoa . This correspondence will be rendered more obvious by imagining the branchial sinus to be depressed towards the neural side of the Ascidian , by a ...
... adherent to the outer side of the tentacula in Fredericella and the Hippocrepian Polyzoa . This correspondence will be rendered more obvious by imagining the branchial sinus to be depressed towards the neural side of the Ascidian , by a ...
Página 89
... adherent to one another , and each opening on the surface by one of the angular orifices , just mentioned . Imperfect transverse septa may be seen at the origin of many of the branches . The tubes , towards the end of summer , are ...
... adherent to one another , and each opening on the surface by one of the angular orifices , just mentioned . Imperfect transverse septa may be seen at the origin of many of the branches . The tubes , towards the end of summer , are ...
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