Ann. d Mao. Nat. Hist. S. 9. Vol. IV. PL I. 



Fig. 1. Rhizotrogus pallens, male and female. 



Fig. 2. Rhizotrogus rufus, ,. ,, 



Fig 3. Empecta disparilis, ,, ,, 



Fig. 4. Rhizotrogus gr-avis, ,, ., 



The male of each on the left. All natural size. 



