1. Principles of zoölogy: touching the structure, development, distribution, and natural arrangement of the races of animals, living and extinct : for the use of schools and colleges. Part I, Comparative physiology Author(s): Agassiz, Louis, 1807-1873 Publication: Boston : Gould, and Lincoln, 1860 Subject(s): Physiological PhenomenaAnimal Population GroupsPhysiology, ComparativeZoology