..- ■! ..., J 



Fig 36.— Whirligig beetle {/Hiieutes discolor) from the creeks and ri 



vers. X 4^. 



Fig. 37-— Spider beetle, Dryops iitlw 

 phihts. X 8. 



Fig. 38.— Spider beetle, Ancyron\x 

 variegatiis. x 11. 



