A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Resultados 6-10 de 21
Página 88
Stagnant and slowly running waters , canals , & c . , attaching itself to stones ,
floating timber , and submerged branches of trees ; loving obscure places .
LOCALITIES . — British : Regent's Canal , London , attached to the sides of the
docks ...
Stagnant and slowly running waters , canals , & c . , attaching itself to stones ,
floating timber , and submerged branches of trees ; loving obscure places .
LOCALITIES . — British : Regent's Canal , London , attached to the sides of the
docks ...
Página 89
They are fond of attaching themselves to the branches of trees which dip into the
water , and then constantly exhibit lobed , pear - shaped masses pendant from
the extremities of the sprays . When a living specimen is examined in the water ...
They are fond of attaching themselves to the branches of trees which dip into the
water , and then constantly exhibit lobed , pear - shaped masses pendant from
the extremities of the sprays . When a living specimen is examined in the water ...
Página 93
Cænæcium confervoid , branched , composed of a series of membranocorneous
tubular cells , each of which constitutes a short ramulus with a terminal orifice ;
branches distinct from one another . Lophophore crescentic . Statoblasts elliptical
...
Cænæcium confervoid , branched , composed of a series of membranocorneous
tubular cells , each of which constitutes a short ramulus with a terminal orifice ;
branches distinct from one another . Lophophore crescentic . Statoblasts elliptical
...
Página 98
... orifices for the egress of the polypides terminate in short , free , tubular ramuli
formed by the continuation of the cells , and placed at intervals along the main
branches , generally singly , but sometimes in groups of two , three , or even
more .
... orifices for the egress of the polypides terminate in short , free , tubular ramuli
formed by the continuation of the cells , and placed at intervals along the main
branches , generally singly , but sometimes in groups of two , three , or even
more .
Página 99
small extent , as thin submerged stems , straws , & c . , and as it continues to
increase in size , the branches having no extensive surface of attachment , soon
become free , and a more or less entangled bushy mass will be produced .
small extent , as thin submerged stems , straws , & c . , and as it continues to
increase in size , the branches having no extensive surface of attachment , soon
become free , and a more or less entangled bushy mass will be produced .
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 |
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 admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding 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 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 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 | Biblioteca Nacional de Austria |
| Digitalizado | 12 Mayo 2011 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |