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 20
... adherent to the bases of the tentacula and entering into the formation of the cup . d . Muscular fibres surrounding the margin of the cup . e . Mouth . f . Esophagus . g . Stomach . h . Rectum . i . Anus . k . Epistome . 7. Ganglion . m ...
... adherent to the bases of the tentacula and entering into the formation of the cup . d . Muscular fibres surrounding the margin of the cup . e . Mouth . f . Esophagus . g . Stomach . h . Rectum . i . Anus . k . Epistome . 7. Ganglion . m ...
Página 21
... adherent to the external portion externally , and to the tentacula ( and calyx ? ) internally . From this arrangement it is obvious , that the exsertion and retraction of the polypide must be very limited . When the polypide desires to ...
... adherent to the external portion externally , and to the tentacula ( and calyx ? ) internally . From this arrangement it is obvious , that the exsertion and retraction of the polypide must be very limited . When the polypide desires to ...
Página 22
... adherent to the back of the tentacula , and its margin is in most instances pro- longed more or less upon each tentacle , as a narrow triangular process , so as to present a sort of scalloped or festooned appearance ; the festooning of ...
... adherent to the back of the tentacula , and its margin is in most instances pro- longed more or less upon each tentacle , as a narrow triangular process , so as to present a sort of scalloped or festooned appearance ; the festooning of ...
Página 32
... adherent to the inner surface of the endocyst towards the anterior part of the cell . About the end of June , when I discovered this organ , it was loaded with ova of various sizes , some so small as to require for their detection ...
... adherent to the inner surface of the endocyst towards the anterior part of the cell . About the end of June , when I discovered this organ , it was loaded with ova of various sizes , some so small as to require for their detection ...
Página 36
... adherent to the polypide behind the lophophore , but upon the lophophore and tentacula it has become free , and here constitutes the tentacular sheath . Some delicate fibres , the rudiments of the retractor of the polypide , may now be ...
... adherent to the polypide behind the lophophore , but upon the lophophore and tentacula it has become free , and here constitutes the tentacular sheath . Some delicate fibres , the rudiments of the retractor of the polypide , may now be ...
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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 Linnæus 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