John A. Ryder

John Adam Ryder

John Adam Ryder (February 29, 1852, Franklin County, Pennsylvania – March 26, 1895), was an American zoologist and embryologist. He worked for the United States Fish Commission from 1880 to 1886 and Professor of Comparative Embryology at the University of Pennsylvania from 1886 to 1895.[1][2]

References

  1. ↑ Allen, Harrison (1896). "A Biographical Sketch of John Adam Ryder". Proceedings of the Academy of Natural Sciences of Philadelphia. 48: 2+222–239. JSTOR 4062190.
  2. ↑ Harrison Allen, Bashford Dean, Horace Jayne, Edward Drinker Cope, H. F. Moore and W. P. Wilson (1895). In Memoriam, John Adam Ryder. Philadelphia.


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