U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. XXI PL. LI 



Fk;. 1. /'iicliyholuH excisHS. 

 Fig. 2. Puchybohis hrnchynterni 



African Diplopoda. 



Fifi. 3. PachyholuH mucrosternus. 

 For explanation of plate see pages 665, 666. 



