A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 12
For reasons to be presently mentioned , it is highly probable that the endocyst is
pervaded by a system of canals of extreme delicacy , which constitute an
irregular network in its substance . Besides the structure now described , peculiar
fibres ...
For reasons to be presently mentioned , it is highly probable that the endocyst is
pervaded by a system of canals of extreme delicacy , which constitute an
irregular network in its substance . Besides the structure now described , peculiar
fibres ...
Página 13
A peculiar condition of the endocyst of Lophopus , though most probably only
abnormal , must be mentioned here . In specimens of this Polyzoon which had
been kept for a few days , and occasionally in some just captured , multitudes of ...
A peculiar condition of the endocyst of Lophopus , though most probably only
abnormal , must be mentioned here . In specimens of this Polyzoon which had
been kept for a few days , and occasionally in some just captured , multitudes of ...
Página 26
7 , 8 ) , which arise all round from the inner surface of the endocyst , commencing
close to the line of invagination , and extending for some distance backwards .
From this origin they pass transversely inwards , and are inserted into the ...
7 , 8 ) , which arise all round from the inner surface of the endocyst , commencing
close to the line of invagination , and extending for some distance backwards .
From this origin they pass transversely inwards , and are inserted into the ...
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Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous Cristatella crown 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 Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs 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