A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... which rendered it impossible for me to have it ready for the press so soon as I had hoped , and which must now plead my excuse for the lateness of its appearance . MONOGRAPH OF THE FRESH - WATER POLYZOA . AMONG the viii PREFACE .
... which rendered it impossible for me to have it ready for the press so soon as I had hoped , and which must now plead my excuse for the lateness of its appearance . MONOGRAPH OF THE FRESH - WATER POLYZOA . AMONG the viii PREFACE .
Página 1
... appearance of the most delicate and exquisitely formed sea - weed or moss , offering , even to the unassisted eye , in the endless repetition of the same element of form , objects of surpassing symmetry and beauty . The Polyzoa ...
... appearance of the most delicate and exquisitely formed sea - weed or moss , offering , even to the unassisted eye , in the endless repetition of the same element of form , objects of surpassing symmetry and beauty . The Polyzoa ...
Página 13
... appearance of a prominent keel , and then loses its transparency by the deposition of earthy matter , as in the rest of the ectocyst ( Pl . VIII , figs . 2 , 3 ) . The perfectly transparent wide origin of this line . gives to the ...
... appearance of a prominent keel , and then loses its transparency by the deposition of earthy matter , as in the rest of the ectocyst ( Pl . VIII , figs . 2 , 3 ) . The perfectly transparent wide origin of this line . gives to the ...
Página 18
... appearance of cilia further than a short distance down this tube . The structure of the intestine closely resembles that of the œsophagus ; vibratile cilia however , are altogether absent . In Cristatella , the cells of the internal ...
... appearance of cilia further than a short distance down this tube . The structure of the intestine closely resembles that of the œsophagus ; vibratile cilia however , are altogether absent . In Cristatella , the cells of the internal ...
Página 19
... appearance of Pedicellina is that of a gymnolćmatous Polyzoon with its nearly spherical cell seated on the extremity of a long peduncle . The gymnolćmatous character , however , is wholly deceptive , and depends on a remarkable ...
... appearance of Pedicellina is that of a gymnolćmatous Polyzoon with its nearly spherical cell seated on the extremity of a long peduncle . The gymnolćmatous character , however , is wholly deceptive , and depends on a remarkable ...
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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Volumen18 de ¬The Ray Society |
| 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 |