A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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... examined in a recent state , while the anatomical observa- tions have been over and over again repeated for the ... examining in a living condition . Both these genera , each consisting of a single species , are confined to the United ...
... examined in a recent state , while the anatomical observa- tions have been over and over again repeated for the ... examining in a living condition . Both these genera , each consisting of a single species , are confined to the United ...
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... examined in a living state under a moderate power of the microscope . Notwithstanding the large proportion of species which will be found described and figured for the first time in this monograph , I have little doubt that the ...
... examined in a living state under a moderate power of the microscope . Notwithstanding the large proportion of species which will be found described and figured for the first time in this monograph , I have little doubt that the ...
Página 2
... examining the Alcyoniums , Sertulariæ , Flustræ , and other flexible and plant - like productions to which the observations of Peysonelle had not extended , and the result was a complete conviction of their animality , and a firm ...
... examining the Alcyoniums , Sertulariæ , Flustræ , and other flexible and plant - like productions to which the observations of Peysonelle had not extended , and the result was a complete conviction of their animality , and a firm ...
Página 3
... examination , and have thus made us acquainted with a very remarkable type of structure - a type , however , whose signi- ficance was destined to remain for nearly a century unrecognised , and it was not until a similar one in certain ...
... examination , and have thus made us acquainted with a very remarkable type of structure - a type , however , whose signi- ficance was destined to remain for nearly a century unrecognised , and it was not until a similar one in certain ...
Página 5
... examined the animals of Bowerbankia imbricata , Valkeria cuscuta , V. pustulosa , Vesicularia spinosa , and other allied forms , and the difference of their structure from that of the Sertulariæ , with which they had been hitherto ...
... examined the animals of Bowerbankia imbricata , Valkeria cuscuta , V. pustulosa , Vesicularia spinosa , and other allied forms , and the difference of their structure from that of the Sertulariæ , with which they had been hitherto ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi 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 longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed oesophagus 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