A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Página
... and I have never omitted to draw the polypide as well as the cænoecium ,
believing that the latter will by itself convey but a very imperfect idea of the real
character of these beautiful little animals . With regard to the few species which I
have ...
... and I have never omitted to draw the polypide as well as the cænoecium ,
believing that the latter will by itself convey but a very imperfect idea of the real
character of these beautiful little animals . With regard to the few species which I
have ...
Página 8
The cells are the little chambers of which the cænæcium is made up , and in each
of which a polypide is lodged . The part of the cell through which the polypide
admits of protrusion and retraction is the orifice of the cell . * Πολυπους , είδος .
The cells are the little chambers of which the cænæcium is made up , and in each
of which a polypide is lodged . The part of the cell through which the polypide
admits of protrusion and retraction is the orifice of the cell . * Πολυπους , είδος .
Página 10
PHYLACTOLÆMATA . * Arms of lophophore united at the extremities .
PediCELLINEAT ( marine ) . Polypide only partially retractile ? URNATELLEA $ (
fresh - water ) . Polypide completely retractile ; evagination of tentacular sheath
imperfect .
PHYLACTOLÆMATA . * Arms of lophophore united at the extremities .
PediCELLINEAT ( marine ) . Polypide only partially retractile ? URNATELLEA $ (
fresh - water ) . Polypide completely retractile ; evagination of tentacular sheath
imperfect .
Página 11
Each chamber lodges a polypide , and its cavity is either shut off from those of the
neighbouring chambers , or freely communicates with them . In every instance *
the polypide can be protruded from its cell , and again withdrawn into it , and the
...
Each chamber lodges a polypide , and its cavity is either shut off from those of the
neighbouring chambers , or freely communicates with them . In every instance *
the polypide can be protruded from its cell , and again withdrawn into it , and the
...
Página 12
... till it terminates by being attached to the base of the tentacular crown . This thin
, non - contractile portion of the endocyst constitutes the tentacular sheath which
encloses and protects the tentacula during the retracted state of the polypide .
... till it terminates by being attached to the base of the tentacular crown . This thin
, non - contractile portion of the endocyst constitutes the tentacular sheath which
encloses and protects the tentacula during the retracted state of the polypide .
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 ..., 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 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 |