Class IV. WINGED FLYING FISH. 443 



It resembles the herring in form of the body, Descrip- 

 but the back is flat; the scales are large and 

 silvery ; the dorsal fin small, and placed near 

 the tail; the pectoral fins, the instruments of 

 flight, are almost as long as the body ; the tail 

 is bifurcated. 



