The Muscles of a Fish
In fish the chief masses of the muscular system are disposed on each side of the trunk in a series of plates or flakes corresponding in number to the vertebrae. Labels: a,b,c, and 1,2,3, The zigzag arrangement of the flakes.
Cutter, Calvin First Book on Analytic Anatomy, Physiology and Hygiene, Human and Comparative (Philadelphia: J. B. Lippincott & Co., 1875) 48