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 53
Página 12
... seen in various stages of formation . These different stages may be satisfactorily followed , and afford a very ... seen . to be composed of greatly elongated fusiform cells , having their pointed extremities in con- nection with one ...
... seen in various stages of formation . These different stages may be satisfactorily followed , and afford a very ... seen . to be composed of greatly elongated fusiform cells , having their pointed extremities in con- nection with one ...
Página 36
... seen an oval ring ( fig . 5 ) which is afterwards to become the lophophore of the polypide . This ring is at first quite simple , resembling a mere fold of thickish membrane , but in a short time it presents all round a series of minute ...
... seen an oval ring ( fig . 5 ) which is afterwards to become the lophophore of the polypide . This ring is at first quite simple , resembling a mere fold of thickish membrane , but in a short time it presents all round a series of minute ...
Página 56
... seen that in the year 1741 , Trembley discovered his " Polype à Panache . " This is the first recorded discovery of a fresh - water Polyzoon . Trembley communicated his discovery to Reaumur and Bernard de Jussieu ; and these celebrated ...
... seen that in the year 1741 , Trembley discovered his " Polype à Panache . " This is the first recorded discovery of a fresh - water Polyzoon . Trembley communicated his discovery to Reaumur and Bernard de Jussieu ; and these celebrated ...
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