A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Página 3
It consisted of a lobed jelly - like mass , from which protruded numerous polypoid
bodies , each characterised by the possession of an elegant crown of tentacula
borne on the margin of a crescent - shaped disc . This beautiful tentacular plume
...
It consisted of a lobed jelly - like mass , from which protruded numerous polypoid
bodies , each characterised by the possession of an elegant crown of tentacula
borne on the margin of a crescent - shaped disc . This beautiful tentacular plume
...
Página 7
Retractor muscle . Let us imagine an alimentary canal , consisting of esophagus ,
stomach , and intestine , to be furnished at its origin with long ciliated tentacula ,
and to have a single nervous ganglion situated on one side of the wesophagus .
Retractor muscle . Let us imagine an alimentary canal , consisting of esophagus ,
stomach , and intestine , to be furnished at its origin with long ciliated tentacula ,
and to have a single nervous ganglion situated on one side of the wesophagus .
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
In this condition it continues 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 ...
In this condition it continues 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 ...
Página 19
Upon the tentacular crown and the walls of the perigastric space would seem ,
among the Polyzoa , chiefly to devolve the ... 3 , 4 , k ) which surrounds the mouth
; and secondly , a series of tentacula ( l ) which are borne upon the margin of the
...
Upon the tentacular crown and the walls of the perigastric space would seem ,
among the Polyzoa , chiefly to devolve the ... 3 , 4 , k ) which surrounds the mouth
; and secondly , a series of tentacula ( l ) which are borne upon the margin of the
...
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 canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella 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 organ orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens represented 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 | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |