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SCHOOL ENTOMOLOGY 



FIG. 206. San Jose scale. (After Quaintance, U. S. Dept. Agr.) 



a, adult female scale; b, male scale; c, young scales; d, larva just hatched; 

 d', same, much enlarged; e, scale removed, showing body of female beneath; /, 

 body of female insect, more enlarged; g, adult male of the San Jos6 scale. 



