166 
ZOOLOGY. 
Following the flying-fish is the family represented by 
the silver gar or bill-fish {Belone longirostrus MitchilL 
Fig. 21^). 
The sucker {Eclieneis remora Linn.) occurs along the 
whole coast of the United States, and is found all over the 
Fig. 209.— The Large Chub, Semotilus rhotheus, one fifth natural size. From 
Abbot. 
tropical and subtropical seas. It is provided with a broad 
oval sucker on the upper side of the head, by which it ad- 
heres to other fish or even to ships, and may thus be trans- 
ported long distances. Another noticeable member of the 
Fig. 210.— The Bill-fish, Belone longirostrus, one third natural size. 
order is the blue-fish {Fomatomiis saltatrix, Fig. 211), 
so valuable as a food-fish. 
The dolphin {Coryplmna) is sometimes found upon our 
coast, but it is essentially a pelagic fish, i,e.^ occurring only 
out of sight of land ujDon the high seas. The pilot-fish is 
also a pelagic form. 
The percoid fishes are represented by the perch {Perca 
fiiiviatilis), which spawns in winter, making slight hollows 
