S. niger, [578];
S. rhombeus, mouth, [577]
Serrasalmoninae, [576]
Serrivomer, [603]
Setarches, [695]
Sexual dimorphism, [419] f., [432], [462], [469], [471], [483], [500]
Shad, [564]
Shape of the body, in Fishes, [152]
Sheep's-Head, [665]
Shipley, [20] n.