A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-5 de 27
Página 3
... disc . This beautiful tentacular plume is one of its most striking features ; and as Trembley naturally supposed his animal to be intimately related with the polypes , it suggested the name of " Polype à Panache , " by which he ...
... disc . This beautiful tentacular plume is one of its most striking features ; and as Trembley naturally supposed his animal to be intimately related with the polypes , it suggested the name of " Polype à Panache , " by which he ...
Página 8
... disc or stage which surrounds the mouth and bears the tentacula , I have called Lophophore . || The Epistome is a peculiar valve - like organ which arches over the mouth in most of the fresh - water genera . The Perigastric ** space is ...
... disc or stage which surrounds the mouth and bears the tentacula , I have called Lophophore . || The Epistome is a peculiar valve - like organ which arches over the mouth in most of the fresh - water genera . The Perigastric ** space is ...
Página 13
... disc , which closely resembles the foot of a gasteropodous mollusc , and on which this singular colony creeps about on the stems and leaves of aquatic plants , exposing its beautiful plumes to the light and warmth of the sun ( Pl . I ...
... disc , which closely resembles the foot of a gasteropodous mollusc , and on which this singular colony creeps about on the stems and leaves of aquatic plants , exposing its beautiful plumes to the light and warmth of the sun ( Pl . I ...
Página 19
... disc ( the lophophore ) ( Pl . II , fig . 24 ; IX , fig . 7 ; X , figs . 3 , 4 , k ) which surrounds the mouth ; and secondly , a series of tentacula ( 1 ) which are borne upon the margin of the lophophore . The lophophore is throughout ...
... disc ( the lophophore ) ( Pl . II , fig . 24 ; IX , fig . 7 ; X , figs . 3 , 4 , k ) which surrounds the mouth ; and secondly , a series of tentacula ( 1 ) which are borne upon the margin of the lophophore . The lophophore is throughout ...
Página 26
... fascicles , and I have been unable to detect in them the striæ , or see them breaking into the discs , which may be observed in the great retractors of the polypide . ( 8. ) Parietal Muscles . In the description of 26 MUSCULAR SYSTEM .
... fascicles , and I have been unable to detect in them the striæ , or see them breaking into the discs , which may be observed in the great retractors of the polypide . ( 8. ) Parietal Muscles . In the description of 26 MUSCULAR SYSTEM .
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
action adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British 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 Hancock 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 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