PROC. U.S. NAT. MUS. VOL. 114 



HOWDEN a CARTWRIGHT. PLATE 9 



79, 80, Onthophagus depressus Harold: 79, 9 ; 80, cf. 81, 82, 0. nuchirornis (Linnaeus): 

 81, 9 ; 82, (f. 83, 84, acirulatulus Blatchley: 83, <f; 84, cf (enlarged to show cephalic 

 tubercles). 



