A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 6-10 de 35
Página 7
... ANATOMY AND PHYSIOLOGY . 1 . PRELIMINARY MATTER . General conception of a Polyzoon . d PLAN OF A POLYZOON . b 9 Fig . 2 . Fig . 1. Exserted . Fig . 2. Retracted . a . Region of mouth , surrounded by tentacles . b . Alimentary canal . c ...
... ANATOMY AND PHYSIOLOGY . 1 . PRELIMINARY MATTER . General conception of a Polyzoon . d PLAN OF A POLYZOON . b 9 Fig . 2 . Fig . 1. Exserted . Fig . 2. Retracted . a . Region of mouth , surrounded by tentacles . b . Alimentary canal . c ...
Página 9
... anatomical inquiries , is the exact sense in which we are to use the terms employed to indicate the different aspects of a Polyzoon . This is the more necessary as the terms used for this purpose , in the description of the invertebrate ...
... anatomical inquiries , is the exact sense in which we are to use the terms employed to indicate the different aspects of a Polyzoon . This is the more necessary as the terms used for this purpose , in the description of the invertebrate ...
Página 10
... Busk , to indicate the primary subdivisions of the marine Gymnolæmatous Polyzoa . ( Voyage of " The Rattlesnake , ' vol . i , Appendix , p . 346. ) 2 . ANATOMY . A. Organs for the Preservation of 10 ORDERS AND SUB - ORDERS OF POLYZOA .
... Busk , to indicate the primary subdivisions of the marine Gymnolæmatous Polyzoa . ( Voyage of " The Rattlesnake , ' vol . i , Appendix , p . 346. ) 2 . ANATOMY . A. Organs for the Preservation of 10 ORDERS AND SUB - ORDERS OF POLYZOA .
Página 11
... ANATOMY . A. Organs for the Preservation of the Individual . ( 1 ) Dermal System . Canacium . - The Polyzoa being all composite animals , the cœnocium constitutes essen- tially an assemblage of little cells or chambers , of very various ...
... ANATOMY . A. Organs for the Preservation of the Individual . ( 1 ) Dermal System . Canacium . - The Polyzoa being all composite animals , the cœnocium constitutes essen- tially an assemblage of little cells or chambers , of very various ...
Página 32
... Anatomy and Development of the Bud . ( 1. ) Ovary and Testis . True sexual organs have now been satisfactorily demonstrated in several of the genera of Polyzoa , both fresh - water and marine . In Alcyonella and Paludicella , I have ...
... Anatomy and Development of the Bud . ( 1. ) Ovary and Testis . True sexual organs have now been satisfactorily demonstrated in several of the genera of Polyzoa , both fresh - water and marine . In Alcyonella and Paludicella , I have ...
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 Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes