202 INTRODUCTION TO ZOOLOGY chap. 



have two pairs of legs, the first three have generally only 

 one pair of legs apiece, and the fourth may be legless, as is 

 usually the seventh also, in males. Millipedes feed on plants. 

 They are retiring, slow-moving creatures. When handled they 

 may give out a bad-smelling fluid from special glands in the 

 body. They hatch from the eggs with only three pairs of 



Fig. 135. — Some oommou Myriapoda. 

 /, Julus ; L, Lithobius ; G, Geophilus. 



appendages, namely, the antennae and two pairs of jaws ; the 

 walking legs all develop later, appearing in batches. This is 

 well seen in Julus, the form described below, where new 

 segments and new sets of appendages appear in sets of five 

 at a time, between the end segment and the last but one. 

 Five new segments, still without legs, are shown in the 

 specimen drawn in Fig. 135, /. 



. The most common British Millipede is the 



" False Wireworm " or Snake Millipede {Julus ter- 



