MTRIOPODS, 



337 



Tig. 2D3.— 5co#er- 

 pes copei of Mam- 

 moth Cave. 



Fig. 300.— Larva of 

 Jiiltts. a» third ab- 

 dominal segment, with 

 the new limbs jnst 

 budding out j 6, new 

 segments arising be- 

 tween the penuliimate 

 and the last segment. — 

 After Newport. 



Fig. 302. —Polydesmua cavicolat from Utah, 

 top and side view, a, antenna ; b, a segment 

 and leg; <;, dorsal view of two seraients show- 

 ing ornam('iitation : rf, side view of two terminal 

 eegmcnts of the body— all magnified. 



Fig. mi.-Geqphil'US, 

 Natural size. 



