Read it through once

Then, again, in 1825, Bernard Germain, Count de Lacépède, a great naturalist, published a scientific systemized whale book, wherein are several pictures of the different species of the Leviathan. All these are not only incorrect, but the picture of the Mysticetus or Greenland whale (that is to say, the Right whale), even Scoresby, a long experienced man as touching that species, declares not to have its counterpart in nature.