A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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While the Fresh - water Polyzoa have been carefully studied on the Continent , especially by Van Beneden and Dumortier , they have hitherto ( if we except an excellent paper by Mr. Albany Hancock ) received in this country but little ...
While the Fresh - water Polyzoa have been carefully studied on the Continent , especially by Van Beneden and Dumortier , they have hitherto ( if we except an excellent paper by Mr. Albany Hancock ) received in this country but little ...
Página 27
Mr. Hancock✶ enumerates , under the name of superior tube retractors , two small additional fasciculi , which he describes as originating below those just mentioned , and as inserted also below them into the invaginated tube , their ...
Mr. Hancock✶ enumerates , under the name of superior tube retractors , two small additional fasciculi , which he describes as originating below those just mentioned , and as inserted also below them into the invaginated tube , their ...
Página 28
3 , 4 , t ) , first pointed out by Mr. Hancock ; they arise from the inner surface of the endocyst near the top of the cell , two upon the hćmal , and two upon the neural side , and are inserted into the opposed surface of the ...
3 , 4 , t ) , first pointed out by Mr. Hancock ; they arise from the inner surface of the endocyst near the top of the cell , two upon the hćmal , and two upon the neural side , and are inserted into the opposed surface of the ...
Página 53
Mr. Hancock † had maintained the resemblance between the arms of the lophophore in the hippocrepian Polyzoa and the oral arms of the Brachiopoda , a resemblance singularly striking , and pointing to an important homological relation .
Mr. Hancock † had maintained the resemblance between the arms of the lophophore in the hippocrepian Polyzoa and the oral arms of the Brachiopoda , a resemblance singularly striking , and pointing to an important homological relation .
Página 72
In the same year , Mr. Albany Hancock , already well known by numerous important papers on the anatomy of the Mollusca , but especially by his association with Mr. Alder in their beautiful Monograph on the Nudibranchiata , ' published ...
In the same year , Mr. Albany Hancock , already well known by numerous important papers on the anatomy of the Mollusca , but especially by his association with Mr. Alder in their beautiful Monograph on the Nudibranchiata , ' published ...
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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 |
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