A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 48
... anatomy of Clavelina that there exist in the Tunicata three distinct envelopes , which , however , may be variously united with one another in the different genera . Now all these have their homologues in the Polyzoa ; the external sac ...
... anatomy of Clavelina that there exist in the Tunicata three distinct envelopes , which , however , may be variously united with one another in the different genera . Now all these have their homologues in the Polyzoa ; the external sac ...
Página 52
... anatomy are confirmed by the history of development , or at least unless it appears that this history presents nothing irreconcileable with the con- clusions which rest on anatomical evidence alone . Unfortunately , the difficulties ...
... anatomy are confirmed by the history of development , or at least unless it appears that this history presents nothing irreconcileable with the con- clusions which rest on anatomical evidence alone . Unfortunately , the difficulties ...
Página 53
... Entwickelung der Tunicata , ' 1854 . + On the Anatomy of the fresh - water Bryozoa , by Albany Hancock , Esq . Annals and Mag . of Nat . Hist . , ' 1850 . indicate homological identity , though we should be cautious in HOMOLOGIES . 53.
... Entwickelung der Tunicata , ' 1854 . + On the Anatomy of the fresh - water Bryozoa , by Albany Hancock , Esq . Annals and Mag . of Nat . Hist . , ' 1850 . indicate homological identity , though we should be cautious in HOMOLOGIES . 53.
Página 56
... anatomical details have been in few points surpassed by subse- for examination , and I have been thus enabled to make the annexed drawing , which represents accu- rately the structure so far as it was possible to determine it from the ...
... anatomical details have been in few points surpassed by subse- for examination , and I have been thus enabled to make the annexed drawing , which represents accu- rately the structure so far as it was possible to determine it from the ...
Página 59
... anatomical detail , must yet be viewed as an important contribution to the zoology of the day . Leendert Bomme , of Flissingen , in 1769 , described the tentacular currents in certain 6 * LINNEUS , Systema Naturæ , ' editio decima ...
... anatomical detail , must yet be viewed as an important contribution to the zoology of the day . Leendert Bomme , of Flissingen , in 1769 , described the tentacular currents in certain 6 * LINNEUS , Systema Naturæ , ' editio decima ...
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