EXPLANATION OF PLATE XII. 



ASPIDIOTUS osTKEJSFORMis. (Page 99.) 



Fig. 1. Margin of pygidium of adult female. X 600. 



ASPIDIOTUS ZONATUS. (Page 9k) 

 Fig. 2. Margin of pygidium of adult female. X 000. 



ASPIDIOTUS HEDEK.i:. (Page 120.) 

 Fig. o. Margin of pygidium of adult female, x 600. 



ASPIDIOTUS BRITANNUTS. (Page 117.) 

 Fig. 4. Margin of pygidium of adult female. X 600. 



ASPIDIOTUS CYANOPHYLLI. (Page 124.) 

 Fig. 5. Margin of pygidium of adult female, x 600. 



ASPIDIOTUS DICTYOSPEBMI, var. AREO^. (Page 107.) 

 Fig. 6. Margin of pygidium of adult female. X 600. 



