A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 19
... Respiration and Circulation . Upon the tentacular crown and the walls of the perigastric space would seem , among the Polyzoa , chiefly to devolve the function of bringing under the influence of the aërating medium the nutritious fluid ...
... Respiration and Circulation . Upon the tentacular crown and the walls of the perigastric space would seem , among the Polyzoa , chiefly to devolve the function of bringing under the influence of the aërating medium the nutritious fluid ...
Página 20
... a permanently invaginated portion of the endocyst , with which , however , a true calyx equivalent to that of the fresh- structure ; it resists putrefaction longer than the external cellular 20 RESPIRATION AND CIRCULATION .
... a permanently invaginated portion of the endocyst , with which , however , a true calyx equivalent to that of the fresh- structure ; it resists putrefaction longer than the external cellular 20 RESPIRATION AND CIRCULATION .
Página 21
... detected in it . By the action . of the straight and circular fibres , various motions , especially those of flexion and extension , can be transparent membrane in the form of a cup or calyx RESPIRATION AND CIRCULATION . 21.
... detected in it . By the action . of the straight and circular fibres , various motions , especially those of flexion and extension , can be transparent membrane in the form of a cup or calyx RESPIRATION AND CIRCULATION . 21.
Página 22
... - vascular system . * See previous note . · + Quelques Observations sur les Polypes d'eau douce , Bull . de l'Acad . Roy . de Bruxelles , ' 1839 . here in error , as indeed he himself subsequently admits 22 RESPIRATION AND CIRCULATION .
... - vascular system . * See previous note . · + Quelques Observations sur les Polypes d'eau douce , Bull . de l'Acad . Roy . de Bruxelles , ' 1839 . here in error , as indeed he himself subsequently admits 22 RESPIRATION AND CIRCULATION .
Página 23
... respiratory function . But it also without doubt receives certain products of digestion which had transuded through the walls of the alimentary canal ; it thus connects itself with the digestive system . It is , moreover , the only ...
... respiratory function . But it also without doubt receives certain products of digestion which had transuded through the walls of the alimentary canal ; it thus connects itself with the digestive system . It is , moreover , the only ...
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