An introduction to the study of fishes
CHAPTER XVI.
THE DISTRIBUTION OF EXISTING FISHES OVER THE EARTH’S SURFACE.--GENERAL REMARKS 202
Freshwater-, Marine-, and Brackish-water Fishes, 202--Changes of the habitat of numerous fishes, active, 203--or dependent on geological changes, 204--Agencies operating upon the distribution of Freshwater and Marine fishes, 205.