A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Resultados 6-10 de 18
Página 24
... existence in the latter situation ; indeed , my own observations are entirely opposed to their presence on the alimen- tary canal ; and I cannot help thinking that this statement of Van Beneden is connected with . some error of ...
... existence in the latter situation ; indeed , my own observations are entirely opposed to their presence on the alimen- tary canal ; and I cannot help thinking that this statement of Van Beneden is connected with . some error of ...
Página 26
... existence of a distinct structure at the place where the contraction occurs , and , though the presence of fibres is but obscurely indicated , I have no hesitation in viewing this structure as a sphincter muscle on which the contraction ...
... existence of a distinct structure at the place where the contraction occurs , and , though the presence of fibres is but obscurely indicated , I have no hesitation in viewing this structure as a sphincter muscle on which the contraction ...
Página 28
... existence of these muscles ; but , though I have carefully sought for them in Paludicella , I have not succeeded in detecting them here as distinct fasciculi , and I prefer viewing the " superior tube - retractors " of Hancock as some ...
... existence of these muscles ; but , though I have carefully sought for them in Paludicella , I have not succeeded in detecting them here as distinct fasciculi , and I prefer viewing the " superior tube - retractors " of Hancock as some ...
Página 30
... existence of striated fibre . I have , however , by repeated observations , satisfied myself of the striated condition of the fibre in the great retractor muscle in the fresh - water genera ( Pl . IX , fig . 6 ) . In Paludicella , I ...
... existence of striated fibre . I have , however , by repeated observations , satisfied myself of the striated condition of the fibre in the great retractor muscle in the fresh - water genera ( Pl . IX , fig . 6 ) . In Paludicella , I ...
Página 31
... existence of striated fibre in the Polyzoa was first noticed by Milne - Edwards , who detected it in Eschara ; * and Mr. Busk has since described and figured the same form of tissue in Anguinaria spatulata , Notamia bursaria , and other ...
... existence of striated fibre in the Polyzoa was first noticed by Milne - Edwards , who detected it in Eschara ; * and Mr. Busk has since described and figured the same form of tissue in Anguinaria spatulata , Notamia bursaria , and other ...
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