U.S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 82. ART. 28 PL. 7 



•3/'. tr'ian^u/aris vaTi Tnontanensis 



39. xcu^Jthomelas j^ar atrelia. 



Beetles of the Genus Disonycha. 



36, Disonycha triangularis (Say); 37, I). I. montanensis, new variety; 3«, V. xanlhomda^ (Dalinan); 



39, D. X. atrella, new variety; 40, D. politula Horn; 41, D. cotlata (Fahricius). 



