yO SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 94 



Fig. 24. — Intrafamily variation of the elytra. 



A, Metoponciis variiDis Shp. B, Tanyrhinus singnlaris Mann. C, Trigonurus 

 crotchi Lee. D, Geodroinicus bnmneus (Say). E, Acylophonts flatncolUs 

 Sachse. F, Protcinus Umbatiis Miikl. G, Oxyporns lateralis Grav. H, Osorius 

 mimdtts Shp. I, Blediiis ino)istratus Csy. J, Tachyponis jocosiis Say. K, Platy- 

 stethus aniericanus Er. L, Pacderilhis pugetensis Csy. M, Xenodusa sharpi 

 Wasni. N, Micropcplns punctatus Lee. O, Alcochara lata Grav. P, Liparo- 

 cephahis brevipenms Makl. 



