A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 81
... branches of trees . " Leidy . LOCALITIES . " About Philadelphia . " Leidy . It is greatly to be regretted that we have no published figure of this beautiful Polyzoon , which must well deserve the name by which the species is designated ...
... branches of trees . " Leidy . LOCALITIES . " About Philadelphia . " Leidy . It is greatly to be regretted that we have no published figure of this beautiful Polyzoon , which must well deserve the name by which the species is designated ...
Página 88
... branches of trees ; loving obscure places . LOCALITIES . — British : Regent's Canal , London , attached to the sides of the docks , abundant ; Chelmar Canal , Essex , abundant . G. J. A. - London and East India Docks , on the Thames ...
... branches of trees ; loving obscure places . LOCALITIES . — British : Regent's Canal , London , attached to the sides of the docks , abundant ; Chelmar Canal , Essex , abundant . G. J. A. - London and East India Docks , on the Thames ...
Página 89
... branches of trees which dip into the water , and then constantly exhibit lobed , pear - shaped masses pendant from the extremities of the sprays . When a living specimen is examined in the water , its whole surface seems covered with a ...
... branches of trees which dip into the water , and then constantly exhibit lobed , pear - shaped masses pendant from the extremities of the sprays . When a living specimen is examined in the water , its whole surface seems covered with a ...
Página 93
... branches are attached in their entire length . ( Pl . V , figs . 1 , 2. ) Variation B. - Conocium attached only towards the origin , branches soon becoming free . ( Pl . V , figs . 3 , 4. ) SYNONYMS . It is scarcely possible to conceive ...
... branches are attached in their entire length . ( Pl . V , figs . 1 , 2. ) Variation B. - Conocium attached only towards the origin , branches soon becoming free . ( Pl . V , figs . 3 , 4. ) SYNONYMS . It is scarcely possible to conceive ...
Página 98
... branches , generally singly , but sometimes in groups of two , three , or even more . The quantity of earthy matter deposited in the ectocyst is small , and this tunic is generally more pellucid than we find it in most other species of ...
... branches , generally singly , but sometimes in groups of two , three , or even more . The quantity of earthy matter deposited in the ectocyst is small , and this tunic is generally more pellucid than we find it in most other species of ...
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