574 The University Science Bulletin. 



PLATE LVL 



1. Dorsal view of head. 



2. Ventral view of head. 



3. Dorsal view of head with vertex removed, showing the tentorium. 



4. Tips of mandible and maxilla, highly magnified. 



5. Lateral view of head. 



6. Lateral view of thorax. 



7. Dorsal view of mesothorax and metathorax. 



8. Ventral view of mesothorax and metathorax. 



