A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 6-10 de 43
Página 6
... true affinities and systematic position of the Polyzoa . 1. The assertion by Imperato of the animality of coral . 2. The discovery by Marsigli of the polypes of coral , which he mistook for its flowers . 3. The determination of the true ...
... true affinities and systematic position of the Polyzoa . 1. The assertion by Imperato of the animality of coral . 2. The discovery by Marsigli of the polypes of coral , which he mistook for its flowers . 3. The determination of the true ...
Página 7
... true sexual organs in the form of ovary and testis occupying some portion of the interior of the sac , and the negative character of the absence of all vestige of a heart , we shall have perhaps as correct an idea - apart from all ...
... true sexual organs in the form of ovary and testis occupying some portion of the interior of the sac , and the negative character of the absence of all vestige of a heart , we shall have perhaps as correct an idea - apart from all ...
Página 8
... true Polypes . The recognition , however , of a type of structure in the Polyzoa totally distinct from that of the Polypes proper , necessitates a change in the terminology employed in their description . On these grounds I have ...
... true Polypes . The recognition , however , of a type of structure in the Polyzoa totally distinct from that of the Polypes proper , necessitates a change in the terminology employed in their description . On these grounds I have ...
Página 14
... true ectocyst ; it consists of a membranous tunic of great delicacy , apparently enclosing a perfectly transparent and colourless fluid , probably in the meshes of a sort of areolar tissue . I have not , however , succeeded in making ...
... true ectocyst ; it consists of a membranous tunic of great delicacy , apparently enclosing a perfectly transparent and colourless fluid , probably in the meshes of a sort of areolar tissue . I have not , however , succeeded in making ...
Página 15
... true cellulose reaction being only masked by the presence of other consti- tuents , as we know to be the case in some of the tissues of plants which fail to strike a blue colour with iodine and sulphuric acid , until the removal , by a ...
... true cellulose reaction being only masked by the presence of other consti- tuents , as we know to be the case in some of the tissues of plants which fail to strike a blue colour with iodine and sulphuric acid , until the removal , by a ...
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