1939] 
New N eotropical Coleoptera 
143 
short; metasternum with a broad, arcuate fovea, smooth. 
Anterior tibia broad, with three very sharp and long mar- 
ginal teeth ; median and posterior tibiae slightly arcuate and 
strongly carinate. Tarsi long, equal to % of the tibial length, 
compressed, metatarsus much shorter than the second joint. 
Hind femora slightly clavate, not margined. 
Fig. 1. Canthon darlingtoni n. sp., posterior leg. 
Fig. 2. id., anterior leg. 
Fig. 3. Uroxys pygmaeus, anterior leg. 
Fig. 4. Bdelyrus bowditchi n. sp., posterior leg. 
Fig. 5. Onthocharis panamensis n. sp., anterior leg. 
Fig. 6. id., posterior leg. 
