Feelers 



as the body in the female (fig. I). Each feeler is jointed, 

 consisting of about eighty rings or segments, the first 

 three of which are considerably larger than the rest. 

 Each segment bears a number of minute stiiF bristles. 

 The form of the feelers in different insects is exces- 



FlG. 7. — a. Feeler of Moth {Telea folyphentits). Magnified 3 times. 

 b c. tips of branches, highly magnified ; d. feeler of Midge {Chiro- 

 nmnus), magnified 6 times ; e. a single segment thereof, magnified 

 12 times. From Riley, Insect Life, vol. 7. 



sively variable. The number of segments — so large in 

 the cockroach — is only three in the House-fiy and its 

 allies (fig. 10), and in rare cases is reduced to two (fig. 

 6 /) or even one. In the cockroach, as in many other 

 insects, the feelers taper to a point, but in Sawflies, 



