File:Bulletin de l'Institut océanographique (1922) (20404826816).jpg

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English:

Title: Bulletin de l'Institut océanographique
Identifier: bulletindel4054211922inst (find matches)
Year: 1907 (1900s)
Authors: Institut océanographique
Subjects: Ocean
Publisher: Monaco : L'Institut
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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About This Book: Catalog Entry
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â 6i â fications qu'ils provoquent dans les zones porifères et interpo- rifères de Tambulacre anormal, ainsi que dans les plaques des interradius voisins, il me paraît intéressant de décrire sommai- rement ici quelques-uns des cas les plus typiques que j'ai pu observer. Je m'occuperai d'abord de VEchinus esculentus où l'anomalie paraît ne pas être très rare et dont j'ai pu étudier une quinzaine de cas. Dans un premier exemplaire (n^ 49) chez lequel le diamètre
Text Appearing After Image:
Fiü. 9. â Echinus esculentus ; a, no 29, vu de profil (ambulacre I) ; b, 0049, ambulacre V ; c, no 64, ambulacre III ; d, no 62, ambulacre 111. Réduction de moitié environ. est de 1 1 o"^"^ et la hauteur gS"^'", dont la forme est très régulière, l'ambulacre V offre vers Tambitus une très légère gibbosité qui est suivie d'un très léger étranglement de l'ambulacre (fig. 9,^ et 10, b) : le milieu de cet étranglement se trouve exactement placé à -72"^"^ du bord externe de la plaque ocellaire correspon- dante (cette distance est mesurée à l'aide d'un mètie souple appliqué sur le test). La largeur de l'ambulacre au niveau de la région la plus étroite est de 19'^'^ ; elle est de 21"^'" à un centi- mètre en dessus et de 24"^" à un centimètre en dessous: elle (419)
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https://www.flickr.com/photos/internetarchivebookimages/20404826816/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
1922
Flickr tags
InfoField
  • bookid:bulletindel4054211922inst
  • bookyear:1907
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Institut_oc_anographique
  • booksubject:Ocean
  • bookpublisher:Monaco_L_Institut
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Biodiversity_Heritage_Library
  • bookleafnumber:445
  • bookcollection:biodiversity
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
9 August 2015


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27 September 2015

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