It is given at the risk of some repetition, because it illustrates Agassiz's favorite idea that a key to the original combination of faunae in any given system of fresh waters, might be reached through a closer study than has yet been possible of the geographical or local circumscription of their inhabitants.
"Louis Agassiz: His Life and Correspondence"
Louis Agassiz
This would be the more important as, with the exception of Brazil, hardly anything is known of the shore faunae upon the greater part of the South American coast.
"Louis Agassiz: His Life and Correspondence"
Louis Agassiz
It is possible that similar, or even identical, faunae and florae in two different localities may be of extremely different ages, if the term "age" is used in its proper chronological sense.
"Critiques and Addresses"
Thomas Henry Huxley