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 15
Página 74
... stones , or lurking under the arches of bridges where a ray of direct sunlight never enters ; Cristatella alone delights in exposure to the full influence of the solar beams , and may be seen basking upon the upper side of submerged stones ...
... stones , or lurking under the arches of bridges where a ray of direct sunlight never enters ; Cristatella alone delights in exposure to the full influence of the solar beams , and may be seen basking upon the upper side of submerged stones ...
Página 99
... stone or other object to which it happens to be attached , as long as this affords it sufficient surface for adhesion ... stones , or in such other situations as are not exposed to the direct influence of daylight . The polypides are ...
... stone or other object to which it happens to be attached , as long as this affords it sufficient surface for adhesion ... stones , or in such other situations as are not exposed to the direct influence of daylight . The polypides are ...
Página 102
... stones in running water . LOCALITY . - Schuylkill River , Philadelphia . Dr. Leidy . " This species of Plumatella is as limpid as the water in which it lives ; rows of colourless vesicles with a whitish line passing through their axis ...
... stones in running water . LOCALITY . - Schuylkill River , Philadelphia . Dr. Leidy . " This species of Plumatella is as limpid as the water in which it lives ; rows of colourless vesicles with a whitish line passing through their axis ...
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