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 54
Página 11
... portion of the endocyst is carried out with the latter , thus undergoing a process of evertion , which , however , in all the fresh - water species , is but partial , a portion of the endocyst , as we shall afterwards more particularly ...
... portion of the endocyst is carried out with the latter , thus undergoing a process of evertion , which , however , in all the fresh - water species , is but partial , a portion of the endocyst , as we shall afterwards more particularly ...
Página 12
... portion of the endocyst remains in a permanently invaginated state . It is probable that in all these genera the endocyst retains its general structure and contractility for a greater or less extent of its permanently invaginated portion ...
... portion of the endocyst remains in a permanently invaginated state . It is probable that in all these genera the endocyst retains its general structure and contractility for a greater or less extent of its permanently invaginated portion ...
Página 14
... portion of the fluid which had been imprisoned in it . Neither Trembley nor Baker takes any notice of this gelatinoid envelope . M. Dumortier mentions it , and represents it in his figure , * while M. Van Beneden believes it to be an ...
... portion of the fluid which had been imprisoned in it . Neither Trembley nor Baker takes any notice of this gelatinoid envelope . M. Dumortier mentions it , and represents it in his figure , * while M. Van Beneden believes it to be an ...
Página 16
... portions , first a nearly cylindrical prolongation ( Pl . V , fig . 5 ; IX , fig . 7 , g ) , which by one extremity ... portion of the stomach ; it is also of a nearly cylindrical form ; but it is longer and wider than the cardiac ...
... portions , first a nearly cylindrical prolongation ( Pl . V , fig . 5 ; IX , fig . 7 , g ) , which by one extremity ... portion of the stomach ; it is also of a nearly cylindrical form ; but it is longer and wider than the cardiac ...
Página 18
... portion of the œsophagus , no part of the alimentary canal is ciliated in the phylactolæmatous fresh - water Polyzoa . In Paludicella however , the stomach in the immediate neighbourhood of the pyloric orifice is lined with long ...
... portion of the œsophagus , no part of the alimentary canal is ciliated in the phylactolæmatous fresh - water Polyzoa . In Paludicella however , the stomach in the immediate neighbourhood of the pyloric orifice is lined with long ...
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