File:Origin of Vertebrates Fig 116.jpg

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English: Fig. 116.—Horizontal Section through the Anterior Part of Ammocœtes, immediately Ventrally to the Auditory Capsule.


sk1-sk5, skeletal bars; m1-m5, striated visceral muscles; mt1-mt4, tubular muscles; br1-br3, branchiæ; tr., trabeculæ; inf., infundibulum; ped., pedicle; V., trigeminal nerve. Muco-cartilage, red; soft cartilage, blue; hard cartilage, purple.


(All references in this work to Ammocœtes or Petromyzon appear to refer to the species now called Lampetra planeri.)
Date
Source The Origin of Vertebrates. https://archive.org/details/ost-biology-the_origin_of_vertebrates
Author Walter Holbrook Gaskell.


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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
current17:22, 9 November 2013Thumbnail for version as of 17:22, 9 November 20131,580 × 1,918 (702 KB)Keith Edkins (talk | contribs)== {{int:filedesc}} == {{Information |Description={{En|Fig. 116.—Horizontal Section through the Anterior Part of Ammocœtes, immediately Ventrally to the Auditory Capsule.}} ''sk''{{sub|1}}-''sk''{{sub|5}}, skeletal bars; ''m''{{sub|1}}-''m''{{sub|5...

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