A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Resultados 1-3 de 42
Página 35
The unciliated portion is now no longer capable of being withdrawn within the
ciliated , with which it has become directly continuous , while the cilia themselves
disappear from the ciliated portion , and the entire sac becomes enveloped ...
The unciliated portion is now no longer capable of being withdrawn within the
ciliated , with which it has become directly continuous , while the cilia themselves
disappear from the ciliated portion , and the entire sac becomes enveloped ...
Página 36
The two tunics of the gemma are to become the ectocyst and endocyst of the
future cell . By this time the gemma has become considerably elongated and has
acquired a clavate form , and its cavity begins to be cut off from that of the parent
...
The two tunics of the gemma are to become the ectocyst and endocyst of the
future cell . By this time the gemma has become considerably elongated and has
acquired a clavate form , and its cavity begins to be cut off from that of the parent
...
Página 53
which we have assumed as homologous with the thoracic chamber of the
Ascidian ; and the lophophore , which represents the thoracic sinus of the
branchial sac of the Ascidian , becomes separated from it just as the branchial
sac separates ...
which we have assumed as homologous with the thoracic chamber of the
Ascidian ; and the lophophore , which represents the thoracic sinus of the
branchial sac of the Ascidian , becomes separated from it just as the branchial
sac separates ...
Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous Cristatella crown described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Illinois en Urbana-Champaign |
| Digitalizado | 13 Oct. 2015 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |