PLATE 3 



EXPLANATION OF FIGURES 



Pseudococcus 



25 Longitudinal section of an egg somewhat older than the ono represented 

 in figure 20. 



26 Germinal vesicle in the metaphase of the first maturation division, 

 lateral view. 



27 to 28 Longitudinal sections of egg of Lecaniodiaspis a short time before 

 their passage into the oviduct. 



29 An oblique longitudinal section of the ovary of an adult Icerya, one hour 

 after copulating. 



30 A portion of the ovary of an adult Icerj'a two days after mating. 



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