Origin of Vertebrates Fig 057

Description:

Summary[edit] Description: English: * A – cartilage of trabeculæ of Ammocœtes[1], stained with hæmatoxylin and picric acid B – nests of cartilage cells in entosternite of Hypoctonus, stained with hæmatoxylin and picric acid. Date: 1908. Source: Gaskell W. H. (1908). The Origin of Vertebrates. Page 133, figure 57. Author: Walter Holbrook Gaskell (1847–1914). Footnotes[edit] ↑ All references in this work to Ammocœtes or Petromyzon appear to refer to the species now called Lampetra planeri Licensing[edit] Public domainPublic domainfalsefalse. : 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, 1926. This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse