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 61
Página 12
... described , peculiar fibres ( Pl . II , fig . 10 ) are also developed in the endocyst . These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres ...
... described , peculiar fibres ( Pl . II , fig . 10 ) are also developed in the endocyst . These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres ...
Página 13
... to the opinion previously expressed by me , but I am now convinced that what I formerly described as the ectocyst of Cristatella is really the endocyst . Lophopus , also , at first sight , conveys the DERMAL SYSTEM . 13.
... to the opinion previously expressed by me , but I am now convinced that what I formerly described as the ectocyst of Cristatella is really the endocyst . Lophopus , also , at first sight , conveys the DERMAL SYSTEM . 13.
Página 16
... described , while the depression is probably the result of an antagonistic elasticity . I propose to designate this organ by the name of epistome . On its true function I am unable to throw any light ; though it is here described in ...
... described , while the depression is probably the result of an antagonistic elasticity . I propose to designate this organ by the name of epistome . On its true function I am unable to throw any light ; though it is here described in ...
Página 21
... described , may be traced as far as the root of each tentacle , and doubtless also enter into its structure . In Cristatella , a minute cavity , which looks as if it were cut off from the rest of the tube , may be very plainly seen in ...
... described , may be traced as far as the root of each tentacle , and doubtless also enter into its structure . In Cristatella , a minute cavity , which looks as if it were cut off from the rest of the tube , may be very plainly seen in ...
Página 23
... described by Meyen to be that through which the external water is admitted to the interior . † I have , however , fully convinced myself that no such aperture exists , and the phenomenon described by Meyen must certainly be due to an ...
... described by Meyen to be that through which the external water is admitted to the interior . † I have , however , fully convinced myself that no such aperture exists , and the phenomenon described by Meyen must certainly be due to an ...
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