APPLIED ENTOMOLOGY 



fied to serve as a poison claw. The numerous legs present in these 

 animals has resulted in their receiving the common name " centipede." 



FIG. 5. Hairy Spider (Arachnida); about FIG. 6. Large bodied Spider (Arachnida), 

 natural size. (Original.} about natural size. (Original.) 



FIG. 7. Adult female castor-bean Tick FIG. 8. Adult female European dog 



(Arachnida); natural size. (From U. S. Tick (Arachnida); natural size. (From U.S. 

 D. A. Farm. Bull. 1057.) D. A. Farm. Bull. 1057.) 



FIG. 9. Grasshopper (Insecta); with wings spread. (From Folsom.) 



The Arachnida (Figs. 5, 6, 7 and 8) generally have the segments of the 

 body grouped into two sections called the cephalothorax and abdomen. 



