Photo: J. J. Ward. 



FEET OF THE JUMPING-LEGS OF THE COMMON FLEA 



The powerful muscles which give the flea its familiar power of leaping are mainly in the 

 uppermost part of the leg, which is not shown here; but there are minor muscles continued to 

 the very tip of the legs, to the base of the terminal claws. Note the numerous bristles or 

 setae on the leg. 



