MTRIOPODS. 



357 



Fig. ZO\.—Spiros- 

 trephon copei of 

 Mammoth Cave. 



Fig. 305.— Larva of 

 Jnlus. a, third ab- 

 dominal segment, with 

 the new limbs just 

 budding out ; b, new 

 segments arising be- 

 tween the penultimate 

 and the last segment. — 

 After Newport. 



Fig. Wt .—PolycUsmuB cavicola, from Utah, 

 top and side view, a. antenna ; ft, a segment 

 and leg; c, dorsal view of two segments show- 

 ing ornamentation ; r/, side view or two terminal 

 segmentB of the body— all magnified. 



Yig. Zm. -Geophilm. 

 Natural size. 



