A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-3 de 21
Página 12
... constitute an irregular network in its substance . Besides the structure now described , peculiar fibres ( Pl . II , fig ... constitutes the tentacular sheath which encloses and protects the tentacula during the retracted state of the ...
... constitute an irregular network in its substance . Besides the structure now described , peculiar fibres ( Pl . II , fig ... constitutes the tentacular sheath which encloses and protects the tentacula during the retracted state of the ...
Página 29
... constitutes the extreme limit of eversion , and that portion of the invaginated endocyst which lies between it and the mouth of the cell remains permanently invaginated . In Paludicella the process is somewhat more complicated ; here ...
... constitutes the extreme limit of eversion , and that portion of the invaginated endocyst which lies between it and the mouth of the cell remains permanently invaginated . In Paludicella the process is somewhat more complicated ; here ...
Página 48
... constitutes an imperfect diaphragm , which divides the great thoracic chamber into an anterior or branchial portion , and a posterior or cloacal portion . Now the main tube may be obviously compared to the great " branchial sinus " of ...
... constitutes an imperfect diaphragm , which divides the great thoracic chamber into an anterior or branchial portion , and a posterior or cloacal portion . Now the main tube may be obviously compared to the great " branchial sinus " of ...
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 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 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