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 57
Página 17
... side of the cardiac cavity and oesophagus , rapidly diminishing in diameter till it terminates in a distinct anus by perforating the tentacular sheath just below the mouth , and at the concave side of the lophophore . b . Gymnolamata ...
... side of the cardiac cavity and oesophagus , rapidly diminishing in diameter till it terminates in a distinct anus by perforating the tentacular sheath just below the mouth , and at the concave side of the lophophore . b . Gymnolamata ...
Página 19
... side of the rectum , is extended into two long triangular lobes or arms , so as to cause the lophophore in these genera to present the form of a deep crescent , round whose entire margin the tentacula are borne in one continuous series ...
... side of the rectum , is extended into two long triangular lobes or arms , so as to cause the lophophore in these genera to present the form of a deep crescent , round whose entire margin the tentacula are borne in one continuous series ...
Página 20
... sides with vibratile cilia , arranged in a single series , and vibrating towards the remote extremity of the tentacle upon one side , and towards the base on the other . Two very distinct layers ( Pl . IX , fig . 5 ) enter into the ...
... sides with vibratile cilia , arranged in a single series , and vibrating towards the remote extremity of the tentacle upon one side , and towards the base on the other . Two very distinct layers ( Pl . IX , fig . 5 ) enter into the ...
Página 21
... side , then turns towards the mouth to open after a wide dilation between the arms of the lophophore in the bottom of the tentacular crater . The concave margin of the body of the lophophore is raised into a kind of thickened rim ...
... side , then turns towards the mouth to open after a wide dilation between the arms of the lophophore in the bottom of the tentacular crater . The concave margin of the body of the lophophore is raised into a kind of thickened rim ...
Página 24
... side of the alimentary tract , to be inserted into the upper part and sides of the œsophagus . A few accessory fasciculi ( Pl . V , fig . 5 , o ) may also be generally seen arising near the origin of the former , and inserted into the sides ...
... side of the alimentary tract , to be inserted into the upper part and sides of the œsophagus . A few accessory fasciculi ( Pl . V , fig . 5 , o ) may also be generally seen arising near the origin of the former , and inserted into the sides ...
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