A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-3 de 43
Página 87
... character , and its value is enhanced by its being of easy application ; it occurs in two out of the three species of Alcyonella . The Another very valuable character is obtained from the shape of the statoblasts . ordinary or free ...
... character , and its value is enhanced by its being of easy application ; it occurs in two out of the three species of Alcyonella . The Another very valuable character is obtained from the shape of the statoblasts . ordinary or free ...
Página 107
... character in P. emarginata , P. diffusa , and some other species ; and yet from the very expressive figures of Mr. Hancock , I am inclined to believe in the existence of this character also in the present species . 10. Plumatella ...
... character in P. emarginata , P. diffusa , and some other species ; and yet from the very expressive figures of Mr. Hancock , I am inclined to believe in the existence of this character also in the present species . 10. Plumatella ...
Página 117
... characters given by Leidy in his amended diagnosis : Generic character . " Conocium consisting of a series of segments up to eighteen in number , and forming free semi - erect curved stems , attached only by the base of the lowest ...
... characters given by Leidy in his amended diagnosis : Generic character . " Conocium consisting of a series of segments up to eighteen in number , and forming free semi - erect curved stems , attached only by the base of the lowest ...
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 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 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