MM 



Fig. 10. Euphionella patagonica. 



a. Head. 



b. El3^ron. 



c. Larger type of echinate tubercle. 



d. Smaller type of echinate tubercle. 



e. Disk-shaped tubercle. 



/. Dorsal surface of two middle segments, 

 showing pseudo-elytra. 



g. Pseudo-elytron. 



h. Middle foot. 



/. Dorsal bristle. 



k. Ventral bristle. 



/. Lower ventral bristle. 



