SCALE-INSECTS, BARK-LICE, MEALY-BUGS. 209 
Fic. 167—Cochineal Insect. After Brehm. 
Fic. 168—Dactylopius destructor, female, enlarged. After Comstock, Div. of En- 
tomology, Dep. of Agriculture. 
Fic. 169—Dactylopius longifilis, temale, FIG. 170—Dactylopius, longifilis, 
enlarged. After Comstock, Div. of winged male, enlarged. After 
Entomology, Dep. of Agriculture. Comstock, Div. of Entomology, 
Dep. of Agriculture. 
