A Guide to the Study of Fishes, Volume 1 (of 2)
CHAPTER II.
THE EXTERIOR OF THE FISH.
Form of Body.--Measurement of the Fish.--The Scales or Exoskeleton.--Ctenoid and Cycloid Scales.--Placoid Scales.--Bony and Prickly Scales.--Lateral Line.--Function of the Lateral Line.--The Fins of Fishes.--Muscles. 16