A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Resultados 6-10 de 14
Página 37
... crescentic lophophore is essentially the same as that just described . The first appearance of the bud in Lophopus is seen near the orifice of the cell , as a minute spherical tubercle ( Pl . XI , fig . 10 ) , projecting from the inner ...
... crescentic lophophore is essentially the same as that just described . The first appearance of the bud in Lophopus is seen near the orifice of the cell , as a minute spherical tubercle ( Pl . XI , fig . 10 ) , projecting from the inner ...
Página 48
... crescentic , and is connected to it by a series of intermediate forms . The arms of the lophophore in Plumatella have already become obsolete in Fredericella , in which , however , the lophophore still retains a bilateral figure , which ...
... crescentic , and is connected to it by a series of intermediate forms . The arms of the lophophore in Plumatella have already become obsolete in Fredericella , in which , however , the lophophore still retains a bilateral figure , which ...
Página 55
... crescentic disc . gg . The two vessels from whose union the vessel f results . h . Vessel conveying the blood forwards towards the crescentic disc and tentacula . ii . Longi- tudinal muscular fibres in stem . 56 ZOOGRAPHY . 1 . HISTORY ...
... crescentic disc . gg . The two vessels from whose union the vessel f results . h . Vessel conveying the blood forwards towards the crescentic disc and tentacula . ii . Longi- tudinal muscular fibres in stem . 56 ZOOGRAPHY . 1 . HISTORY ...
Página 56
... crescentic disc , margined with tentacula . This tenta- culiferous disc exactly resembled the lophophore and tentacula of a hippocrepian Polyzoon . In the body of the crescentic disc was placed the mouth , over which there arched a ...
... crescentic disc , margined with tentacula . This tenta- culiferous disc exactly resembled the lophophore and tentacula of a hippocrepian Polyzoon . In the body of the crescentic disc was placed the mouth , over which there arched a ...
Página 57
... crescentic disc appears to be properly extra - vascular , and the cavity of this disc must be viewed as a great sinus . Another important point of departure from polyzoal structure is found in the absence of a proper perigastric space ...
... crescentic disc appears to be properly extra - vascular , and the cavity of this disc must be viewed as a great sinus . Another important point of departure from polyzoal structure is found in the absence of a proper perigastric space ...
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