132 MISC. PUBLICATION 500, U. S. DEPT. OF AGRICULTURE 



Figure 7. — A, movable finger, process of clasper, and sternal plate VIII of 

 Thrassis acamantis, male ; B, movable finger and process of clasper of Opiso- 

 dasys Jceeni; C, movable finger and process of clasper of Orchopeas sewdentatus 

 sexdentatus; D, head and prothorax of Oropsylla idahoensis, male; E, movable 

 finger and process of clasper of Ceratophyllus garei. 



