File:Origin of Vertebrates Fig 072.png

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Summary

Description
English: Fig. 72.—Diagram (Upper Half of Figure) of the Original Position of Veins (H) which come together to form the Heart of a Vertebrate.


C.N.S., central nervous system; nc., notochord; m., myotome.


The lower half of figure shows comparative position of the longitudinal venous sinus (L.V.S.) in Limulus. C.N.S., central nervous system; Al., alimentary canal; H., heart; m., body-muscles.
Date
Source The Origin of Vertebrates. https://archive.org/details/originofvertebra1908gask
Author Walter Holbrook Gaskell.


Licensing

Public domain

The author died in 1914, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Date/TimeThumbnailDimensionsUserComment
current14:56, 10 November 2013Thumbnail for version as of 14:56, 10 November 2013890 × 1,052 (62 KB)Keith Edkins== {{int:filedesc}} == {{Information |Description={{En|Fig. 72.—Diagram (Upper Half of Figure) of the Original Position of Veins (H) which come together to form the Heart of a Vertebrate. ''C.N.S.'', central nervous system; ''nc.'', notochord; ''m....

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