by William Swainson

“ The first is manifest, and speaks to our senses: the second is emblematical, and calls for an exertion of those reasoning faculties with which the Creator, for such purposes, aided by those helps he has promised, has given to us. In accordance with this latter assumption, both divines and Naturalists concur in considering Nature as a book of Emblems, "where one thing represents another." ”

“ And if, as regards one division of animated nature the theory is correct, it follows that it will be equally manifested in all other portions of the animal world, when they are sufficiently investigated. ”