Chionaspis. 135 



of a large number of oval pores on margins of abdominal and post-thoracic 

 segments, which are wanting in the Ceylon insect. The large groups of stout 

 spiniform squames are a noticeable feature in both species. 



EXPLANATION OF PLATE XLIV. 



Chionaspis polvgoni. 

 {All figures, except No. i, more or less enlarged^ 



Fig. I. Insects in situ, nat. size, on stem oi Polygotmtn. 



2. Male puparium. 



3. Female puparium. 



4- J) » 



5. Adult female, dorsal view. 



6. Pygidium of female, dorsal view. 



7. „ „ „ showing variation in lateral lobes. 



