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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... latter will by itself convey but a very imperfect idea of the real character of these beautiful little animals . With regard to the few species which I have not had an opportunity of personally examining , I have availed myself of the ...
... latter will by itself convey but a very imperfect idea of the real character of these beautiful little animals . With regard to the few species which I have not had an opportunity of personally examining , I have availed myself of the ...
Página 6
... latter corresponded to the Polyzoa of Thompson . Though the term Bryozoa had already been used by him in a number of the Symbolæ Physicæ , ' published in June , 1831 , the priority of publication is still left with Thompson's name , and ...
... latter corresponded to the Polyzoa of Thompson . Though the term Bryozoa had already been used by him in a number of the Symbolæ Physicæ , ' published in June , 1831 , the priority of publication is still left with Thompson's name , and ...
Página 9
... latter that of " neural , " thus applying to the Mollusca the terms already so happily employed by Owen in his designation of the regions of the vertebrate skeleton . These terms have the advantage of stating a simple fact , and of thus ...
... latter that of " neural , " thus applying to the Mollusca the terms already so happily employed by Owen in his designation of the regions of the vertebrate skeleton . These terms have the advantage of stating a simple fact , and of thus ...
Página 11
... latter , thus undergoing a process of evertion , which , however , in all the fresh - water species , is but partial , a portion of the endocyst , as we shall afterwards more particularly see , remaining in a permanently inverted ...
... latter , thus undergoing a process of evertion , which , however , in all the fresh - water species , is but partial , a portion of the endocyst , as we shall afterwards more particularly see , remaining in a permanently inverted ...
Página 16
... latter , into which it opens by a very distinct conical projection ( Pl . III , fig . 7 , ƒ ) . To the œsophagus immediately succeeds the stomach , without the intervention of any dis- tinct gizzard , such as we find in Bowerbankia and ...
... latter , into which it opens by a very distinct conical projection ( Pl . III , fig . 7 , ƒ ) . To the œsophagus immediately succeeds the stomach , without the intervention of any dis- tinct gizzard , such as we find in Bowerbankia and ...
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