A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Resultados 1-5 de 50
Página 7
To give , however , more actuality to our ideal Polyzoon , we may bear in mind
that the immediately investing sac has the power , in almost every case , of
secreting from its external surface a secondary investment of very various
constitution in ...
To give , however , more actuality to our ideal Polyzoon , we may bear in mind
that the immediately investing sac has the power , in almost every case , of
secreting from its external surface a secondary investment of very various
constitution in ...
Página 8
surface a secondary investment of very various constitution in the different groups
; and we may , moreover , conceive of the entire animal with its digestive tube ,
tentacula , ganglion , muscles , generative organs , circumambient fluid , and ...
surface a secondary investment of very various constitution in the different groups
; and we may , moreover , conceive of the entire animal with its digestive tube ,
tentacula , ganglion , muscles , generative organs , circumambient fluid , and ...
Página 12
These are situated on its inner surface , where they constitute a well - marked
layer composed of a network of transverse and longitudinal fibres over the whole
extent of the endocyst . I have even succeeded in separating this network as a ...
These are situated on its inner surface , where they constitute a well - marked
layer composed of a network of transverse and longitudinal fibres over the whole
extent of the endocyst . I have even succeeded in separating this network as a ...
Página 14
The structure of this body is remarkable ; it consists of a central mass ,
surrounded by a distinct layer of somewhat elongated cellules placed
perpendicularly to its surface . The body which thus closes up the centre of the
annular septum has ...
The structure of this body is remarkable ; it consists of a central mass ,
surrounded by a distinct layer of somewhat elongated cellules placed
perpendicularly to its surface . The body which thus closes up the centre of the
annular septum has ...
Página 16
The cavity in its interior communicates through an opening ( é ) in the lophophore
with the perigastric space ; the walls which are turned towards the mouth are
thick , and densely clothed on their external surface with vibratile cilia , while
those ...
The cavity in its interior communicates through an opening ( é ) in the lophophore
with the perigastric space ; the walls which are turned towards the mouth are
thick , and densely clothed on their external surface with vibratile cilia , while
those ...
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 |