Explanation of Plate A. 



Metamorphoses of Onthophagus taurus L, 



Fig. 1. Ovum in hatching chamber. 



2. Larva, full-fed, seen in opened cavity in food-mass. 



3. Same food-mass after larva had repaired wall. 



4. Larva awaiting pupation. 



5. Pupa, showing anterior and lateral prominences. 



G. Pupa in normal resting position, vertical in cell, resting 

 on thoracic prominence. 



All X 2 diams 



