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 7
... muscle . Let us imagine an alimentary canal , consisting of œsophagus , stomach , and intestine , to be furnished at its ... muscles , to admit of being retracted or protruded according to the will of the animal , the retraction being ...
... muscle . Let us imagine an alimentary canal , consisting of œsophagus , stomach , and intestine , to be furnished at its ... muscles , to admit of being retracted or protruded according to the will of the animal , the retraction being ...
Página 8
... muscles , generative organs , circumambient fluid , and investing sacs , repeating itself by gemmation , and thus producing one or more precisely similar systems holding a definite position relatively to one another , while all continue ...
... muscles , generative organs , circumambient fluid , and investing sacs , repeating itself by gemmation , and thus producing one or more precisely similar systems holding a definite position relatively to one another , while all continue ...
Página 12
... muscular , and that it is to their presence that the high degree of contractility enjoyed by the endocyst of Lophopus is in a great measure , if not entirely , due . When treated with acetic acid , they are plainly seen . to be composed ...
... muscular , and that it is to their presence that the high degree of contractility enjoyed by the endocyst of Lophopus is in a great measure , if not entirely , due . When treated with acetic acid , they are plainly seen . to be composed ...
Página 16
... muscular fibres ( n ) , which are visible through the transparent walls , and will be afterwards more particularly described , while the depression is probably the result of an antagonistic elasticity . I propose to designate this organ ...
... muscular fibres ( n ) , which are visible through the transparent walls , and will be afterwards more particularly described , while the depression is probably the result of an antagonistic elasticity . I propose to designate this organ ...
Página 17
... muscular fibres ; they are particularly evident in Alcyonella and Plumatella towards the fundus of the stomach ; they become less distinct as we ascend toward the œsophagus , and totally 3 DIGESTIVE SYSTEM . 17 being dilated or ...
... muscular fibres ; they are particularly evident in Alcyonella and Plumatella towards the fundus of the stomach ; they become less distinct as we ascend toward the œsophagus , and totally 3 DIGESTIVE SYSTEM . 17 being dilated or ...
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