The lecture of the sturgeon-skate - Chapter 4 of "Impressions d'Africa" Raymond Roussel -

Martignon, the ichthyologist

 

David Starr Jordan, Ph.D., LL.D.
(1851 – 1931)
American ichthyologist

Edward Drinker Cope
(1840 – 1897)
American herpetologist and ichthyologist