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 13
Página 17
Wherever I have had a good opportunity of examining it , I have succeeded in
detecting in the stomach three distinct layers . Internally is a yellowish - brown
layer ( Pl . III , fig . 7 K ) , which is thrown into large longitudinal rugæ . These
rugæ ...
Wherever I have had a good opportunity of examining it , I have succeeded in
detecting in the stomach three distinct layers . Internally is a yellowish - brown
layer ( Pl . III , fig . 7 K ) , which is thrown into large longitudinal rugæ . These
rugæ ...
Página 18
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ) , while the ... In Cristatella , the cells of the
internal layer corresponding to the middle layer of the stomach are large , and
filled , in ...
These correspond to the middle and external layers of the stomach , the former
being here largely developed ( ) , while the ... In Cristatella , the cells of the
internal layer corresponding to the middle layer of the stomach are large , and
filled , in ...
Página
Internal layer of rectum . ps External layer of stomach . ul . External layer of
oesophagus . 12. External layer of rectum . E. Spermatozoa . 0. Gemma . X Testis
. * Ovary . 7 . S. 1 1 DESCRIPTION OF THE PLATES . PLATE I. CRISTATELLA
The ...
Internal layer of rectum . ps External layer of stomach . ul . External layer of
oesophagus . 12. External layer of rectum . E. Spermatozoa . 0. Gemma . X Testis
. * Ovary . 7 . S. 1 1 DESCRIPTION OF THE PLATES . PLATE I. CRISTATELLA
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 |
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