Died 26 March 1895 | ||
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Books REVIEW OF THE FOSSIL OSTREIDAE | ||
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.
References
John A. Ryder Wikipedia(Text) CC BY-SA