A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
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Página 7
... mouth , surrounded by tentacles . b . Alimentary canal . c . Anus . d . Nervous ganglion . e . Membranous investing sac . f . Testis . f ' . Ovary . g . Retractor muscle . Let us imagine an alimentary canal , consisting of œsophagus ...
... mouth , surrounded by tentacles . b . Alimentary canal . c . Anus . d . Nervous ganglion . e . Membranous investing sac . f . Testis . f ' . Ovary . g . Retractor muscle . Let us imagine an alimentary canal , consisting of œsophagus ...
Página 8
... mouth and bears the tentacula , I have called Lophophore . || The Epistome is a peculiar valve - like organ which arches over the mouth in most of the fresh - water genera . The Perigastric ** space is the space included between the ...
... mouth and bears the tentacula , I have called Lophophore . || The Epistome is a peculiar valve - like organ which arches over the mouth in most of the fresh - water genera . The Perigastric ** space is the space included between the ...
Página 9
... mouth as indicating the region of the animal which is to be designated as anterior , while the posterior region will then be that diametrically opposite . In fixing the dorsal and ventral regions greater difficulty is met with . Mr ...
... mouth as indicating the region of the animal which is to be designated as anterior , while the posterior region will then be that diametrically opposite . In fixing the dorsal and ventral regions greater difficulty is met with . Mr ...
Página 10
... mouth with an epistome . Arms of lophophore free or obsolete . or } LOPHOPEA ( fresh - water ) . PHYLACTOLÆMATA . * Arms of lophophore united at the extremities . } PEDICELLINEA ‡ ( marine ) . URNATELLEA ( fresh - water ) . Lophophore ...
... mouth with an epistome . Arms of lophophore free or obsolete . or } LOPHOPEA ( fresh - water ) . PHYLACTOLÆMATA . * Arms of lophophore united at the extremities . } PEDICELLINEA ‡ ( marine ) . URNATELLEA ( fresh - water ) . Lophophore ...
Página 15
... examined by itself . * See Schlossberger , Zur näheren Kenntniss der Mushelschalen , des Byssus und der Chitinfrage ' Ann . der Chem . und Pharm . , ' xcviii , 99 . a . Phylactolæmata . The mouth ( Pl . II DIGESTIVE SYSTEM . 15.
... examined by itself . * See Schlossberger , Zur näheren Kenntniss der Mushelschalen , des Byssus und der Chitinfrage ' Ann . der Chem . und Pharm . , ' xcviii , 99 . a . Phylactolæmata . The mouth ( Pl . II DIGESTIVE SYSTEM . 15.
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