L). S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 84 PLATE 16 



Heads of Exetastes. 



1, carinati/rons; 2, septum; 3, rugosus: 4 .flavus: 5, hituminosus: fi, igneipennif; 7, sunveolens; 8, prophiquus; 9, 

 matrkus; 10, affinis: 11, bifenestratus; 12, zclotypus: 13, ornntus; 14, ditutipcs; 15, angustoralis. 



