A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-3 de 34
Página 20
... extremity , and opening by the opposite through the lophophore into the perigastric space ; in all the Polyzoa they are armed upon their opposed sides with vibratile cilia , arranged in a single series , and vibrating towards the remote ...
... extremity , and opening by the opposite through the lophophore into the perigastric space ; in all the Polyzoa they are armed upon their opposed sides with vibratile cilia , arranged in a single series , and vibrating towards the remote ...
Página 46
... extremity of the branchial sinus to be prolonged , with its bars , for a short distance towards the hæmal side , so as to surround the mouth , the transverse bars to become free at their extremities , where opposite to the branchial ...
... extremity of the branchial sinus to be prolonged , with its bars , for a short distance towards the hæmal side , so as to surround the mouth , the transverse bars to become free at their extremities , where opposite to the branchial ...
Página 89
... extremities of the tubes . These extremities contract no adhesion to one another , like the rest of the tubes , and the ectocyst , as it passes over them , becomes very delicate and transparent ; in dead specimens they shrivel up and ...
... extremities of the tubes . These extremities contract no adhesion to one another , like the rest of the tubes , and the ectocyst , as it passes over them , becomes very delicate and transparent ; in dead specimens they shrivel up and ...
Otras ediciones - Ver todas
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 longitudinal 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