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 27
... Retractor Muscle of the Polypide . This ( Pl . X , figs . 3 , 4 , n ) resembles in attachments and use the ... retractors , two small additional fasciculi , which he describes as originating below those just mentioned , and as in- serted ...
... Retractor Muscle of the Polypide . This ( Pl . X , figs . 3 , 4 , n ) resembles in attachments and use the ... retractors , two small additional fasciculi , which he describes as originating below those just mentioned , and as in- serted ...
Página 28
... retractors " of Hancock as some of the posterior fibres of the anterior parieto - vaginal muscles . The action of the anterior parieto - vaginal muscles assists in the invagination of the tube , and dilates it when completely retracted ...
... retractors " of Hancock as some of the posterior fibres of the anterior parieto - vaginal muscles . The action of the anterior parieto - vaginal muscles assists in the invagination of the tube , and dilates it when completely retracted ...
Página 30
... retractor muscles act directly on the polypide and withdraw it into the cell , the anterior and posterior parieto- vaginal muscles in Paludicella drawing after it as it descends that portion of the endocyst which had been carried out ...
... retractor muscles act directly on the polypide and withdraw it into the cell , the anterior and posterior parieto- vaginal muscles in Paludicella drawing after it as it descends that portion of the endocyst which had been carried out ...
Página 34
... retractor muscles have become evident , and the funiculus may be seen extending from the base of the polypide to the walls of the sac ( Pl . XI , fig . 31 ) . The polypides have , at first , no communication with the exterior , but at ...
... retractor muscles have become evident , and the funiculus may be seen extending from the base of the polypide to the walls of the sac ( Pl . XI , fig . 31 ) . The polypides have , at first , no communication with the exterior , but at ...
Página 36
... retractor of the polypide , may now be plainly seen extending from just behind the lophophore to the walls of the cell . The body of the polypide at the spot directly opposite to the rudimental crown of tentacula , is also seen to be ...
... retractor of the polypide , may now be plainly seen extending from just behind the lophophore to the walls of the cell . The body of the polypide at the spot directly opposite to the rudimental crown of tentacula , is also seen to be ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi 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 oesophagus 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