A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 11-15 de 29
Página 90
... adherent to one another until within a short distance of their terminations , when they become free . The ectocyst is dark brown , becoming rather abruptly lighter in the vicinity of the orifices , where the peculiar characteristic ...
... adherent to one another until within a short distance of their terminations , when they become free . The ectocyst is dark brown , becoming rather abruptly lighter in the vicinity of the orifices , where the peculiar characteristic ...
Página 91
... adherent by one face to the surface of the body on which it is developed . The largest specimens I have met with measure about half an inch in their longest direction . The ectocyst is dark brown , becoming abruptly lighter towards the ...
... adherent by one face to the surface of the body on which it is developed . The largest specimens I have met with measure about half an inch in their longest direction . The ectocyst is dark brown , becoming abruptly lighter towards the ...
Página 93
... adherent , creeping along the surface of various sub- merged bodies , to which the branches are attached in their entire length . ( Pl . V , figs . 1 , 2. ) Variation B. - Conocium attached only towards the origin , branches soon ...
... adherent , creeping along the surface of various sub- merged bodies , to which the branches are attached in their entire length . ( Pl . V , figs . 1 , 2. ) Variation B. - Conocium attached only towards the origin , branches soon ...
Página 98
... adherent throughout its entire length to the surface on which it is developed , and forms elegant dendritic , or confervoid growths , radiating from a common centre . In the second , ( var . ß , ) it will be found fixed to surfaces of ...
... adherent throughout its entire length to the surface on which it is developed , and forms elegant dendritic , or confervoid growths , radiating from a common centre . In the second , ( var . ß , ) it will be found fixed to surfaces of ...
Página 99
... adherent to the stone or other object to which it happens to be attached , as long as this affords it sufficient surface for adhesion , but becoming free , and assuming the form of the second variation as soon as , in the progress of ...
... adherent to the stone or other object to which it happens to be attached , as long as this affords it sufficient surface for adhesion , but becoming free , and assuming the form of the second variation as soon as , in the progress 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 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