EXPLANATION OF PLATE XVI, 



DIASPIS BROMELLE. (Page 156.) 

 Fig. 1. Pygidium of adult female. X 250. 



DIASPIS BOISDUVALII!. (Page 153.) 

 Fig. 2. Pygidium of adult female. X 250. 



DIASPIS CALYPTROIDES. (Page 15!).) 

 Fig. 3. Pygidium of adult female. X 250. 



