A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 41
... specimens of this polyzoon have the endocyst constricted at intervals so as to give to the colony the appearance of a variously lobed body enveloped by the gelatinoid ectocyst . It is at the point of these constrictions that the self ...
... specimens of this polyzoon have the endocyst constricted at intervals so as to give to the colony the appearance of a variously lobed body enveloped by the gelatinoid ectocyst . It is at the point of these constrictions that the self ...
Página 55
... specimens from the coast of Devonshire , in May , 1856 , and which he preserved alive for some weeks in a vessel of sea - water . Dr. Wright has published an account of it in the Edinburgh New Philosophical Journal ' for October , 1856 ...
... specimens from the coast of Devonshire , in May , 1856 , and which he preserved alive for some weeks in a vessel of sea - water . Dr. Wright has published an account of it in the Edinburgh New Philosophical Journal ' for October , 1856 ...
Página 56
... specimen examined . In The animal inhabited a fissure in a fragment of rock , from which it was capable of being pro- truded to the length of about two lines , and into which it would again suddenly withdraw on the least annoyance ...
... specimen examined . In The animal inhabited a fissure in a fragment of rock , from which it was capable of being pro- truded to the length of about two lines , and into which it would again suddenly withdraw on the least annoyance ...
Página 58
... specimens mostly belonged to the free variation of this Polyzoon , while Schäffer seems to have had in view the attached form . In his account of the internal structure , though he had the advantage of Trembley's and Baker's ...
... specimens mostly belonged to the free variation of this Polyzoon , while Schäffer seems to have had in view the attached form . In his account of the internal structure , though he had the advantage of Trembley's and Baker's ...
Página 60
... specimen extending over 1769 . * LEENDERT BOMME , Bericht aangaande verscheiden zoonderlinge Zee - Insecten . ' + MÜLLER , ' Vermium terrestrium et fluviatilium Historia . ' Lips . , 1773 . Acta Vliss . , ‡ BLUMENBACH , Von den ...
... specimen extending over 1769 . * LEENDERT BOMME , Bericht aangaande verscheiden zoonderlinge Zee - Insecten . ' + MÜLLER , ' Vermium terrestrium et fluviatilium Historia . ' Lips . , 1773 . Acta Vliss . , ‡ BLUMENBACH , Von den ...
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