CHAPTER XII.
THE MARINE FISHES.
General Observations on Fishes.--Their Locomotive Organs.--Tail. --Fins.--Classification of Fishes by Cuvier.--Air-Bladder.--Scales. --Beauty of the Tropical Fishes.--The Gills.--Terrestrial Voyages of the Anabas and the Hassar.--Examples of Parental Affection.-- Organs of Sense.--Offensive Weapons of Fishes.--The Sea-Wolf.--The Shark.--The Saw-Fish.--The Sword-Fish.--The Torpedo.--The Star-Gazer.--The Angler.--The Chætodon Rostratus.--The Remora, used for catching Turtles.--Defensive Weapons of Fishes.--The Weever. --The Stickleback.--The Sun-Fish.--The Flying-Fish.--The numerous Enemies of the Fishes.--Importance and History of the Herring Fishery.--The Pilchard.--The Sprat.--The Anchovy.--The Cod.--The Sturgeons.--The Salmon.--The Tunny.--The Mackerel Family.--The Eel. --The Murey.--The Conger.--The Sand-Launce.--The Plectognaths.--The Sea-Horse.--The Pipe-Fish.--The Flat-Fishes.--The Rays.--The Fecundity of Fishes 186